Calculate percentages instantly - find what percent one number is of another, calculate a percentage of a number, or find percentage increase/decrease.
How to Use Percentage Calculator
- 1Choose the type of calculation: "X% of Y", "X is what % of Y", or "% change"
- 2Enter the required values
- 3Result appears instantly
- 4See the formula used for the calculation
Features
- Calculate X% of Y (e.g., "What is 15% of 240?")
- Find what percentage X is of Y
- Percentage increase/decrease calculator
- Percentage change between two values
- Shows calculation formula
- Decimal precision control
Frequently Asked Questions
How do I calculate X% of Y?
Multiply Y by (X/100). Example: 15% of 200 = 200 × 0.15 = 30.
How do I calculate percentage change?
Percentage change = ((New Value - Old Value) / Old Value) × 100. A positive result is an increase; negative is a decrease.