Percentage Calculator
Calculate percentages easily — find X% of a number, percentage change, increase and decrease. Four calculators in one tool.
What is X% of Y?
Example: What is 15% of 200? → 30. Useful for calculating tips, discounts, or tax amounts.
X is what % of Y?
Example: 30 is what % of 200? → 15%. Handy for working out exam scores, savings rates, or conversion rates.
Percentage change
Example: From 80 to 100 → +25%. Great for comparing prices, salaries, or tracking progress over time.
Increase/decrease by %
Example: 200 ± 15% → 230 or 170. Useful for adding VAT, applying discounts, or calculating pay rises.
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