Percentage Calculator
Percentage, discount, and increase/decrease calculations — all in one place.
What is Y% of X?
Features
The percentage calculator provides five common percentage calculation modes covering daily life and work needs.
- Basic Percentage: Calculate a percentage of a number
- Percentage Solver: Find the percentage relationship between two numbers
- Percentage Change: Calculate the percentage change from original to new value
- Discount: Calculate the discounted price and savings
- Increase/Decrease Value: Calculate the value after increasing or decreasing by a percentage
Usage Instructions
Features
The percentage calculator integrates five modes: basic percentage, percentage solver, percentage change, discount, and increase/decrease value, covering common scenarios like shopping discounts and data fluctuations.
Steps
Switch calculation mode via the top tabs → Enter the values → Click "Calculate" to view the result. In discount mode, enter the original price and discount rate (e.g. 8 means 80% of original) to get the final price and savings.
Notes
All calculations run locally in your browser and no data is uploaded; division by zero is not supported; results keep up to 8 decimal places.