Percentage Calculator
Calculate percentages, percentage change, and what percent one number is of another.
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What Is This Tool?
A free calculator for the three most common percentage questions: finding a percentage of a number, figuring out what percent one number is of another, and calculating percentage increase or decrease between two values.
How to Use
- Choose the calculation mode that matches your question using the tabs.
- Enter the numbers into the input fields.
- The result updates automatically as you type.
Common Use Cases
- Calculating a discount or sale price
- Figuring out a tip or commission percentage
- Comparing test scores or grades as percentages
- Measuring growth or decline between two values, like sales or expenses
Tips & Tricks
- For percentage change, a negative result means a decrease and a positive result means an increase.
- Use 'X is what % of Y' to quickly check ratios, like how much of a budget has been spent.
Calculate percentages, percentage increase/decrease, and what percent one number is of another. Free and instant, right in your browser.
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