Percentage Calculator
Professional percentage calculator supporting basic percentage calculations, growth rate calculations, proportion calculations. Free online use, simple operation, accurate results.
Input Values
Result
Example Usage
• 200 of 15% = 30
• 1000 of 8.5% = 85
Percentage Calculator User Guide
Three Calculation Modes
- Basic Percentage:Calculate percentage of a value, like 15% of 200 = 30
- Percentage Change:Calculate growth or decrease rate between two values
- Proportion Calculation:Calculate what percentage one number is of another
Common Use Cases
- Shopping discounts: Calculate 20% off $1000
- Salary increase: Percentage increase from $5000 to $6000
- Test scores: What percentage is 90 out of 120
- Investment returns: Calculate ROI percentage