Percentage Calculator
Calculate percentages easily. Find X% of a number, determine what percent one number is of another, or calculate percentage change between two values.
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How to Use the Percentage Calculator
Percentages are used everywhere: discounts, tax rates, interest rates, tips, and more. This calculator supports three common percentage operations.
Calculation Modes
- X% of Y: Value x Percentage / 100
- X is what % of Y: Part / Whole x 100
- % Change: (New - Old) / Old x 100