Browse through 3,339 percentage decrease symbol illustrations & vectors or explore more downward arrow or percentage sign vectors to complete your project with stunning visuals.

The image shows a large, three-dimensional pink percentage symbol standing upright on a plain background. The symbol is slightly tilted to the right, giving it a dynamic feel. The color is a vibrant pink, and the symbol appears to be made of a shiny, plastic-like material. Percentage decrease symbol illustrations
The image shows a large, three-dimensional pink percentage symbol standing upright on a plain background. The symbol is slightly tilted to the right, giving it a dynamic feel. The color is a vibrant pink, and the symbol appears to be made of a shiny, plastic-like material. Percentage decrease symbol illustrations
A white 3D rendered icon featuring a downward arrow inside a square frame with rounded corners, accompanied by a percentage sign. The arrow points downwards towards the percentage symbol, visually representing a decrease or reduction, likely related to discounts or price drops. The icon is clean, minimalist, and presented on a white background with a subtle shadow. Percentage decrease symbol illustrations
A white 3D rendered icon featuring a downward arrow inside a square frame with rounded corners, accompanied by a percentage sign. The arrow points downwards towards the percentage symbol, visually representing a decrease or reduction, likely related to discounts or price drops. The icon is clean, minimalist, and presented on a white background with a subtle shadow. Percentage decrease symbol illustrations
The image displays a three-dimensional, golden-colored percentage symbol prominently centered against a plain white background. The symbol appears to be slightly raised, giving it a tactile and eye-catching appearance, which emphasizes its importance and significance in contexts like finance, statistics, or data representation. Percentage decrease symbol illustrations
The image displays a three-dimensional, golden-colored percentage symbol prominently centered against a plain white background. The symbol appears to be slightly raised, giving it a tactile and eye-catching appearance, which emphasizes its importance and significance in contexts like finance, statistics, or data representation. Percentage decrease symbol illustrations
A close-up shot of a hand stacking three wooden blocks, each featuring a significant symbol. The top block displays a green upward arrow, the middle a red downward arrow, and the bottom a black percentage symbol. This visual metaphor effectively represents concepts of increase, decrease, and percentage change. Ideal for illustrating financial topics like interest rates, inflation, economic trends, profit loss, discounts, or general business performance. The clean, minimalist background offers ample copy space for text or additional graphics, making it versatile for various editorial and commercial uses. Percentage decrease symbol illustrations
A close-up shot of a hand stacking three wooden blocks, each featuring a significant symbol. The top block displays a green upward arrow, the middle a red downward arrow, and the bottom a black percentage symbol. This visual metaphor effectively represents concepts of increase, decrease, and percentage change. Ideal for illustrating financial topics like interest rates, inflation, economic trends, profit loss, discounts, or general business performance. The clean, minimalist background offers ample copy space for text or additional graphics, making it versatile for various editorial and commercial uses. Percentage decrease symbol illustrations
A large, three-dimensional white percentage symbol is prominently displayed. The symbol is rendered with smooth, rounded edges and casts a soft shadow on the light gray surface it rests upon. The image is clean and minimalist, suitable for financial or commercial themes. Percentage decrease symbol illustrations
A large, three-dimensional white percentage symbol is prominently displayed. The symbol is rendered with smooth, rounded edges and casts a soft shadow on the light gray surface it rests upon. The image is clean and minimalist, suitable for financial or commercial themes. Percentage decrease symbol illustrations
A three-dimensional percentage symbol rendered in a vibrant teal blue glass material. The symbol has a smooth, reflective surface and is presented in isolation on a clean white background, casting a subtle shadow. Percentage decrease symbol illustrations
A three-dimensional percentage symbol rendered in a vibrant teal blue glass material. The symbol has a smooth, reflective surface and is presented in isolation on a clean white background, casting a subtle shadow. Percentage decrease symbol illustrations
This image showcases a 3D rendered percentage symbol, fashioned in a vibrant, glossy blue hue. The symbol exhibits a noticeable shine and a smooth, almost liquid-like surface texture. The design is bold and eye-catching, likely intended for use in marketing materials or presentations to highlight discounts, savings, or growth rates. The background is plain white, ensuring the percentage sign remains the focal point. The overall impression is one of modern, clean design and visual appeal. Percentage decrease symbol illustrations
This image showcases a 3D rendered percentage symbol, fashioned in a vibrant, glossy blue hue. The symbol exhibits a noticeable shine and a smooth, almost liquid-like surface texture. The design is bold and eye-catching, likely intended for use in marketing materials or presentations to highlight discounts, savings, or growth rates. The background is plain white, ensuring the percentage sign remains the focal point. The overall impression is one of modern, clean design and visual appeal. Percentage decrease symbol illustrations
The image displays three bold red arrows pointing downward, each containing a percentage symbol. This visual metaphor typically represents a decline, reduction, or drop in percentage-based metrics, often used in financial contexts to indicate decreases in stocks, interest rates, or other economic indicators. Percentage decrease symbol illustrations
The image displays three bold red arrows pointing downward, each containing a percentage symbol. This visual metaphor typically represents a decline, reduction, or drop in percentage-based metrics, often used in financial contexts to indicate decreases in stocks, interest rates, or other economic indicators. Percentage decrease symbol illustrations
This image features a bold 2. 29% percentage symbol in metallic blue on a black background, ideal for financial presentations and business reports. Percentage decrease symbol illustrations
This image features a bold 2. 29% percentage symbol in metallic blue on a black background, ideal for financial presentations and business reports. Percentage decrease symbol illustrations
Three identical red arrows, each featuring a white percentage symbol (%) prominently displayed, are shown pointing downwards against a black background. The arrows have a slightly rounded, three-dimensional appearance, suggesting a concept of decrease or reduction. This visual could represent sales, discounts, or declining economic indicators. Percentage decrease symbol illustrations
Three identical red arrows, each featuring a white percentage symbol (%) prominently displayed, are shown pointing downwards against a black background. The arrows have a slightly rounded, three-dimensional appearance, suggesting a concept of decrease or reduction. This visual could represent sales, discounts, or declining economic indicators. Percentage decrease symbol illustrations
The image displays a three-dimensional, blue percentage symbol (%0) floating against a plain white background. The symbol is rendered in a sleek, metallic style with a glossy finish, emphasizing its modern and professional aesthetic. Percentage decrease symbol illustrations
The image displays a three-dimensional, blue percentage symbol (%0) floating against a plain white background. The symbol is rendered in a sleek, metallic style with a glossy finish, emphasizing its modern and professional aesthetic. Percentage decrease symbol illustrations
The image shows a close-up view of a blue price tag with a large percentage symbol in the center. The tag is attached to a silver keyring, and the percentage symbol is prominently displayed in white. Percentage decrease symbol illustrations
The image shows a close-up view of a blue price tag with a large percentage symbol in the center. The tag is attached to a silver keyring, and the percentage symbol is prominently displayed in white. Percentage decrease symbol illustrations
A clean, white three-dimensional percentage symbol stands prominently against a pure white background. The symbol is rendered with smooth surfaces and clear edges, casting a subtle shadow beneath it. The design is simple and iconic, representing concepts of proportion or discount. Percentage decrease symbol illustrations
A clean, white three-dimensional percentage symbol stands prominently against a pure white background. The symbol is rendered with smooth surfaces and clear edges, casting a subtle shadow beneath it. The design is simple and iconic, representing concepts of proportion or discount. Percentage decrease symbol illustrations
A hand-drawn illustration featuring a large percentage symbol at the center, surrounded by various financial and business-related doodles. Icons include bar charts, pie charts, stacks of coins, a calculator, dollar signs, and numerous arrows indicating direction, flow, or change. The style is simple, black and white line art, suitable for representing concepts like finance, economics, growth, discounts, and business analysis. Percentage decrease symbol illustrations
A hand-drawn illustration featuring a large percentage symbol at the center, surrounded by various financial and business-related doodles. Icons include bar charts, pie charts, stacks of coins, a calculator, dollar signs, and numerous arrows indicating direction, flow, or change. The style is simple, black and white line art, suitable for representing concepts like finance, economics, growth, discounts, and business analysis. Percentage decrease symbol illustrations
This image shows a close-up view of a shiny blue percentage symbol on a white background. The symbol is three-dimensional and appears to be made of a reflective material. Percentage decrease symbol illustrations
This image shows a close-up view of a shiny blue percentage symbol on a white background. The symbol is three-dimensional and appears to be made of a reflective material. Percentage decrease symbol illustrations
The image displays a three-dimensional, purple percentage symbol against a plain white background. The symbol appears glossy and modern, likely intended for use in presentations, financial reports, or data visualizations. Percentage decrease symbol illustrations
The image displays a three-dimensional, purple percentage symbol against a plain white background. The symbol appears glossy and modern, likely intended for use in presentations, financial reports, or data visualizations. Percentage decrease symbol illustrations
This image displays a sleek, modern icon featuring a blue percentage symbol (%) centered within a hexagonal shape. The design has a glossy, three-dimensional effect with subtle highlights and shadows, giving it a polished and professional appearance suitable for use in business, finance, or data-related contexts. Percentage decrease symbol illustrations
This image displays a sleek, modern icon featuring a blue percentage symbol (%) centered within a hexagonal shape. The design has a glossy, three-dimensional effect with subtle highlights and shadows, giving it a polished and professional appearance suitable for use in business, finance, or data-related contexts. Percentage decrease symbol illustrations
The image features a close-up view of a large, three-dimensional blue percentage symbol against a stark white background. The symbol is slightly tilted to the right, giving it a dynamic appearance. The blue color is vibrant and glossy, reflecting light and adding a sense of depth to the image. Percentage decrease symbol illustrations
The image features a close-up view of a large, three-dimensional blue percentage symbol against a stark white background. The symbol is slightly tilted to the right, giving it a dynamic appearance. The blue color is vibrant and glossy, reflecting light and adding a sense of depth to the image. Percentage decrease symbol illustrations
The image features a large, three-dimensional blue percentage symbol prominently displayed against a stark white background. The symbol is slightly tilted to the right, adding a dynamic touch to the overall composition. Percentage decrease symbol illustrations
The image features a large, three-dimensional blue percentage symbol prominently displayed against a stark white background. The symbol is slightly tilted to the right, adding a dynamic touch to the overall composition. Percentage decrease symbol illustrations
This image shows a close-up view of a large orange percentage symbol on a white background. The symbol is slightly tilted to the right and has a glossy finish. Percentage decrease symbol illustrations
This image shows a close-up view of a large orange percentage symbol on a white background. The symbol is slightly tilted to the right and has a glossy finish. Percentage decrease symbol illustrations
A human hand is shown presenting a vivid, glowing yellow percentage symbol, radiating light and prominence. In the background, a digital bar chart visually represents growth and data analysis, set against a dark, abstract backdrop with subtle bokeh lights. This image powerfully conveys concepts related to finance, interest rates, discounts, business growth, profit, and investment. It's perfect for illustrating financial reports, economic articles, banking promotions, or investment strategy presentations. Percentage decrease symbol illustrations
A human hand is shown presenting a vivid, glowing yellow percentage symbol, radiating light and prominence. In the background, a digital bar chart visually represents growth and data analysis, set against a dark, abstract backdrop with subtle bokeh lights. This image powerfully conveys concepts related to finance, interest rates, discounts, business growth, profit, and investment. It's perfect for illustrating financial reports, economic articles, banking promotions, or investment strategy presentations. Percentage decrease symbol illustrations
A set of two vector icons representing percentage change featuring both downward and upward arrows indicating decrease and increase trends respectively. These minimalist glyphs are perfect for financ. Percentage decrease symbol vectors
A set of two vector icons representing percentage change featuring both downward and upward arrows indicating decrease and increase trends respectively. These minimalist glyphs are perfect for financ. Percentage decrease symbol vectors
A clean, 3D rendered white percentage symbol stands prominently on a pure white background. The symbol is composed of two circles and a diagonal line, casting a subtle shadow beneath it. The smooth, matte finish of the symbol suggests a modern and minimalist aesthetic, making it suitable for a wide range of financial, marketing, or conceptual applications. Percentage decrease symbol illustrations
A clean, 3D rendered white percentage symbol stands prominently on a pure white background. The symbol is composed of two circles and a diagonal line, casting a subtle shadow beneath it. The smooth, matte finish of the symbol suggests a modern and minimalist aesthetic, making it suitable for a wide range of financial, marketing, or conceptual applications. Percentage decrease symbol illustrations
The image features a large, three-dimensional yellow percentage symbol. The symbol is slightly tilted to the right and appears to be glowing, giving it a vibrant and eye-catching appearance. The background is a plain, light gray color, which contrasts with the bright yellow of the percentage symbol, making it stand out prominently. Percentage decrease symbol illustrations
The image features a large, three-dimensional yellow percentage symbol. The symbol is slightly tilted to the right and appears to be glowing, giving it a vibrant and eye-catching appearance. The background is a plain, light gray color, which contrasts with the bright yellow of the percentage symbol, making it stand out prominently. Percentage decrease symbol illustrations
The image displays a large, three-dimensional blue percentage symbol set against a stark white background. The symbol is slightly tilted to the right, giving it a dynamic appearance. The blue color is vibrant and eye-catching, while the white background provides a clean, uncluttered look. Percentage decrease symbol illustrations
The image displays a large, three-dimensional blue percentage symbol set against a stark white background. The symbol is slightly tilted to the right, giving it a dynamic appearance. The blue color is vibrant and eye-catching, while the white background provides a clean, uncluttered look. Percentage decrease symbol illustrations
Financial taxation system graphic showing tax increase and decrease options with percentage coin element for economic policy planning and analysis. Percentage decrease symbol illustrations
Financial taxation system graphic showing tax increase and decrease options with percentage coin element for economic policy planning and analysis. Percentage decrease symbol illustrations
The image features a blue tag with a white percentage symbol prominently displayed in the center. The tag is designed with a small hole at the top, suggesting it can be attached to something. The background is plain white, which makes the blue tag stand out clearly. The percentage symbol indicates a theme related to discounts, savings, or financial calculations. Percentage decrease symbol illustrations
The image features a blue tag with a white percentage symbol prominently displayed in the center. The tag is designed with a small hole at the top, suggesting it can be attached to something. The background is plain white, which makes the blue tag stand out clearly. The percentage symbol indicates a theme related to discounts, savings, or financial calculations. Percentage decrease symbol illustrations
The image displays a three-dimensional, red percentage symbol (% sign) prominently centered against a white background, giving it a striking and modern appearance. Percentage decrease symbol illustrations
The image displays a three-dimensional, red percentage symbol (% sign) prominently centered against a white background, giving it a striking and modern appearance. Percentage decrease symbol illustrations
A 3D rendered blue arrow points downwards, symbolizing a decrease or decline. Attached to the arrow is a pink circular tag with a white percentage symbol, indicating a discount or sale. The graphic is presented on a white background, conveying concepts of price reduction and financial trends. Percentage decrease symbol illustrations
A 3D rendered blue arrow points downwards, symbolizing a decrease or decline. Attached to the arrow is a pink circular tag with a white percentage symbol, indicating a discount or sale. The graphic is presented on a white background, conveying concepts of price reduction and financial trends. Percentage decrease symbol illustrations
A 3D rendering of a white percentage symbol and a downward-pointing arrow against a vibrant yellow backdrop, symbolizing financial decline or reduction. Percentage decrease symbol illustrations
A 3D rendering of a white percentage symbol and a downward-pointing arrow against a vibrant yellow backdrop, symbolizing financial decline or reduction. Percentage decrease symbol illustrations
A three-dimensional, rounded white percentage symbol stands upright on a light gray surface. The symbol has a smooth, matte finish and is illuminated from the side, casting a soft shadow. The clean lines and simple form suggest a modern and abstract representation of financial or mathematical concepts. The image is a studio shot with consistent lighting. Percentage decrease symbol illustrations
A three-dimensional, rounded white percentage symbol stands upright on a light gray surface. The symbol has a smooth, matte finish and is illuminated from the side, casting a soft shadow. The clean lines and simple form suggest a modern and abstract representation of financial or mathematical concepts. The image is a studio shot with consistent lighting. Percentage decrease symbol illustrations
A gleaming, three-dimensional golden percentage symbol floats against a clean white background. The metallic surface reflects light, highlighting its smooth curves and polished finish. The symbol is rendered with a slight shadow beneath it, giving it a sense of depth and presence. Percentage decrease symbol illustrations
A gleaming, three-dimensional golden percentage symbol floats against a clean white background. The metallic surface reflects light, highlighting its smooth curves and polished finish. The symbol is rendered with a slight shadow beneath it, giving it a sense of depth and presence. Percentage decrease symbol illustrations
The image shows a close-up view of a yellow percentage symbol on a plain white background. The symbol is composed of two zeros with a slash in between, representing the mathematical percentage sign. Percentage decrease symbol illustrations
The image shows a close-up view of a yellow percentage symbol on a plain white background. The symbol is composed of two zeros with a slash in between, representing the mathematical percentage sign. Percentage decrease symbol illustrations
A three-dimensional gray percentage symbol rendered with a clean, modern aesthetic, casting a subtle shadow on a pure white background, perfect for financial or promotional content. Percentage decrease symbol illustrations
A three-dimensional gray percentage symbol rendered with a clean, modern aesthetic, casting a subtle shadow on a pure white background, perfect for financial or promotional content. Percentage decrease symbol illustrations
A visual representation of a percentage decrease. It features a percentage sign followed by a downward trending arrow, isolated on a white surface. The image conveys concepts of loss, decline, or negative growth. Percentage decrease symbol illustrations
A visual representation of a percentage decrease. It features a percentage sign followed by a downward trending arrow, isolated on a white surface. The image conveys concepts of loss, decline, or negative growth. Percentage decrease symbol illustrations
A vibrant, glossy red 3D percentage symbol stands prominently on a clean white background, casting a subtle shadow. This eye-catching graphic is perfect for conveying concepts of discounts, sales, interest rates, financial growth, or statistical data. Its bold, modern design makes it ideal for marketing campaigns, business presentations, retail promotions, economic reports, or any project requiring a clear and impactful representation of percentages, savings, or performance metrics. Percentage decrease symbol illustrations
A vibrant, glossy red 3D percentage symbol stands prominently on a clean white background, casting a subtle shadow. This eye-catching graphic is perfect for conveying concepts of discounts, sales, interest rates, financial growth, or statistical data. Its bold, modern design makes it ideal for marketing campaigns, business presentations, retail promotions, economic reports, or any project requiring a clear and impactful representation of percentages, savings, or performance metrics. Percentage decrease symbol illustrations
A 3D rendered gray percentage symbol is presented against a clean white background. The symbol is composed of two circles and a diagonal line, with subtle shading that gives it a three-dimensional appearance. The lighting highlights the smooth surfaces of the symbol. Percentage decrease symbol illustrations
A 3D rendered gray percentage symbol is presented against a clean white background. The symbol is composed of two circles and a diagonal line, with subtle shading that gives it a three-dimensional appearance. The lighting highlights the smooth surfaces of the symbol. Percentage decrease symbol illustrations
A gleaming, three-dimensional golden percentage symbol is displayed prominently against a stark white background. The metallic surface reflects light, giving it a polished and luxurious appearance. The symbol is sharp and well-defined, suggesting a focus on financial or promotional concepts. Percentage decrease symbol illustrations
A gleaming, three-dimensional golden percentage symbol is displayed prominently against a stark white background. The metallic surface reflects light, giving it a polished and luxurious appearance. The symbol is sharp and well-defined, suggesting a focus on financial or promotional concepts. Percentage decrease symbol illustrations
A golden percentage symbol (%) with a red and blue financial graph representing stock market analysis, trends, and fluctuations. Ideal for financial reports, investments, and economic topics. Percentage decrease symbol illustrations
A golden percentage symbol (%) with a red and blue financial graph representing stock market analysis, trends, and fluctuations. Ideal for financial reports, investments, and economic topics. Percentage decrease symbol illustrations
A golden percentage symbol (%) with a red and blue financial graph representing stock market analysis, trends, and fluctuations. Ideal for financial reports, investments, and economic topics. Percentage decrease symbol illustrations
A golden percentage symbol (%) with a red and blue financial graph representing stock market analysis, trends, and fluctuations. Ideal for financial reports, investments, and economic topics. Percentage decrease symbol illustrations
A vibrant, 3D rendered percentage symbol in a glossy purple hue. The symbol floats in a studio setting against a clean, light gray background with subtle shadowing. Its smooth, reflective surface and bold form suggest concepts of finance, sales, and discounts. Percentage decrease symbol illustrations
A vibrant, 3D rendered percentage symbol in a glossy purple hue. The symbol floats in a studio setting against a clean, light gray background with subtle shadowing. Its smooth, reflective surface and bold form suggest concepts of finance, sales, and discounts. Percentage decrease symbol illustrations
A bold, glossy 3D percentage symbol rendered in vibrant yellow color, standing out against a plain background for emphasis on data and statistics. Percentage decrease symbol illustrations
A bold, glossy 3D percentage symbol rendered in vibrant yellow color, standing out against a plain background for emphasis on data and statistics. Percentage decrease symbol illustrations
The image showcases a close-up view of a large, three-dimensional blue percentage symbol. The symbol is composed of two blue circles with a horizontal line connecting them, representing the percentage sign. The background is a plain gray color, providing a neutral backdrop that allows the blue percentage symbol to stand out prominently. Percentage decrease symbol illustrations
The image showcases a close-up view of a large, three-dimensional blue percentage symbol. The symbol is composed of two blue circles with a horizontal line connecting them, representing the percentage sign. The background is a plain gray color, providing a neutral backdrop that allows the blue percentage symbol to stand out prominently. Percentage decrease symbol illustrations
This image shows a large, three-dimensional blue percentage symbol against a dark, textured background. The symbol is slightly tilted to the right and appears to be made of a shiny, metallic material. Percentage decrease symbol illustrations
This image shows a large, three-dimensional blue percentage symbol against a dark, textured background. The symbol is slightly tilted to the right and appears to be made of a shiny, metallic material. Percentage decrease symbol illustrations
A three-dimensional percentage symbol rendered in brushed metallic silver stands on a clean white background. The symbol has a realistic texture and subtle reflections, casting a soft shadow. The design is clean and modern, suitable for financial or marketing-related concepts. Percentage decrease symbol illustrations
A three-dimensional percentage symbol rendered in brushed metallic silver stands on a clean white background. The symbol has a realistic texture and subtle reflections, casting a soft shadow. The design is clean and modern, suitable for financial or marketing-related concepts. Percentage decrease symbol illustrations
This image features a three-dimensional, glossy red percentage symbol against a neutral background. The symbol is bold and eye-catching, with a reflective surface that adds depth and dimension. Percentage decrease symbol illustrations
This image features a three-dimensional, glossy red percentage symbol against a neutral background. The symbol is bold and eye-catching, with a reflective surface that adds depth and dimension. Percentage decrease symbol illustrations
This image features a three-dimensional, glossy red percentage symbol against a neutral background. The symbol is bold and eye-catching, with a reflective surface that adds depth and dimension. Percentage decrease symbol illustrations
This image features a three-dimensional, glossy red percentage symbol against a neutral background. The symbol is bold and eye-catching, with a reflective surface that adds depth and dimension. Percentage decrease symbol illustrations
Loan percent decrease line icon. Halftone dotted pattern. Gradient icon with grain shadow. Discount sign. Credit percentage symbol. Line loan percent icon. Various designs. Vector. Percentage decrease symbol vectors
Loan percent decrease line icon. Halftone dotted pattern. Gradient icon with grain shadow. Discount sign. Credit percentage symbol. Line loan percent icon. Various designs. Vector. Percentage decrease symbol vectors
A bold blue arrow points downwards, indicating a decrease or decline. Attached to the shaft of the arrow is a pink circular icon with a scalloped edge, featuring a white percentage symbol (%) in the center. The graphic is presented on a clean white background, suggesting a concept related to sales, discounts, price reduction, or a negative market trend. Percentage decrease symbol illustrations
A bold blue arrow points downwards, indicating a decrease or decline. Attached to the shaft of the arrow is a pink circular icon with a scalloped edge, featuring a white percentage symbol (%) in the center. The graphic is presented on a clean white background, suggesting a concept related to sales, discounts, price reduction, or a negative market trend. Percentage decrease symbol illustrations
A 3D rendered graphic shows a bright blue arrow pointing downwards, symbolizing a decrease or decline. Attached to the shaft of the arrow is a pink circular badge with a white percentage sign (%) prominently displayed. The arrow and badge have a smooth, glossy finish. The entire composition is isolated against a clean white background, making it suitable for representing concepts related to sales. Percentage decrease symbol illustrations
A 3D rendered graphic shows a bright blue arrow pointing downwards, symbolizing a decrease or decline. Attached to the shaft of the arrow is a pink circular badge with a white percentage sign (%) prominently displayed. The arrow and badge have a smooth, glossy finish. The entire composition is isolated against a clean white background, making it suitable for representing concepts related to sales. Percentage decrease symbol illustrations