Percentage Calculator
Calculate percentages easily. Find percentage of a number, percentage change, percentage difference, and more. Free online percentage calculator.
What is X% of Y?
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X is what percent of Y?
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Percentage Change
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Frequently Asked Questions
How do I calculate percentage of a number?▼
To find X% of Y: multiply Y by X and divide by 100. For example, 25% of 200 = 200 × 25 / 100 = 50.
How to calculate percentage change?▼
Percentage change = ((New Value - Old Value) / Old Value) × 100. A positive result means increase, negative means decrease.
Can I calculate percentage difference?▼
Yes, percentage difference = |A - B| / ((A + B) / 2) × 100. This tool handles all these calculations.