Percentage Calculator – Multiple Percentage Calculations
Solve any percentage problem instantly. Calculate the percentage of a number, find percentage change, or determine percentage difference.
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About Percentage Calculator
Solve any percentage problem instantly. Calculate the percentage of a number, find percentage change, or determine percentage difference.
Frequently Asked Questions
How do I calculate X% of a number?
To find X% of Y: multiply Y by X and divide by 100. Example: 20% of 500 = (500 × 20) ÷ 100 = 100.
How do I calculate percentage change?
Percentage change = ((New Value – Old Value) ÷ Old Value) × 100. Positive means increase, negative means decrease.
What is percentage difference?
Percentage difference = |V1 – V2| ÷ ((V1 + V2) ÷ 2) × 100. Used when neither value is a reference baseline.
Is this free?
Yes, completely free and works instantly in your browser.