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Percentage Calculator

Five different percentage calculations in one tool.

💡 Example: What is 15% of 200?
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Fill in the numbers above to see the result

FAQ

How do I calculate 20% of a number?+

Multiply the number by 0.20. Example: 20% of 150 = 150 × 0.20 = 30. Or use the "% of Number" tab above.

How do I find percentage change?+

Percentage change = ((New Value − Old Value) / Old Value) × 100. Use the "% Change" tab for instant results.

What is percentage increase?+

Percentage increase = Original + (Original × Rate/100). Example: 200 increased by 25% = 200 + 50 = 250.