Percentage Calculator
Four modes for common percentage calculations.
How to use
- Select the calculation mode.
- Enter the required values.
- Click the calculate button.
- View the result.
About this tool
The Percentage Calculator groups the four most common percent operations into one interface: finding a percentage of a number, figuring what percent one value is of another, applying an increase or decrease, and calculating the percent change between two values.
Features
Four modes, decimal support, instant results, and clear explanations of each formula. The calculator handles both positive and negative differences, making it useful for financial and statistical work alike.
Use cases
Great for shoppers computing discounts, students solving math homework, accountants preparing reports, marketers analyzing campaign lift, and managers tracking performance changes across reporting periods.
Why this tool
Percentage formulas are easy to mix up. The calculator lets you choose the exact operation you want, eliminating confusion and ensuring accurate results every time.
FAQ
- What modes are supported?
- X% of Y, X is what % of Y, increase and decrease, and percent change are supported.
- Can I handle decimals?
- Yes, decimal inputs are accepted for precise results.
- Is it good for discounts?
- Yes, the discount mode quickly calculates sale prices.