Percentage Calculator
Calculate percentages, percent change, and percent difference. Shows formula and full explanation.
What is X% of Y?
Result
Enter values to calculate
Common Percentage Calculations
| Question | Formula | Example |
|---|---|---|
| What is X% of Y? | (X/100) × Y | 10% of 250 = 25 |
| X is what % of Y? | (X/Y) × 100 | 50/200 × 100 = 25% |
| % Increase | ((New−Old)/|Old|) × 100 | 60→72: +20% |
| % Decrease | ((Old−New)/|Old|) × 100 | 100→80: −20% |
| % Difference | |A−B|/((A+B)/2) × 100 | |10−20|/15 × 100 = 66.67% |
Frequently Asked Questions
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