Percentage Calculator
Calculate percentages in different ways.
What is X% of Y?
X% × Y = Result
X is what percent of Y?
(X ÷ Y) × 100 = Result%
Percentage change from X to Y
((Y - X) ÷ X) × 100 = Result%
Increase or decrease X by Y%
Common Percentage Calculations
| To Find | Formula | Example |
|---|---|---|
| X% of Y | (X/100) × Y | 20% of 50 = 10 |
| X is what % of Y | (X/Y) × 100 | 10 is 20% of 50 |
| % increase | ((New-Old)/Old) × 100 | 50→60 = 20% increase |
| Increase X by Y% | X × (1 + Y/100) | 100 + 20% = 120 |
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