Percentage Calculations Made Easy
Percentages show up everywhere — discounts, tax rates, exam scores, investment returns, and data analysis. This calculator handles the three most common percentage operations: finding a percentage of a number, calculating increase or decrease, and determining the percentage difference between two values.
Switch between tabs to access each mode. Results update instantly as you type, making it easy to run quick comparisons or verify homework. Whether you're calculating a sale price, figuring out a grade, or comparing quarterly revenue, this tool has you covered. All math runs in your browser with nothing stored.