Use the percentage calculator for common everyday and business calculations. Find a percentage of a number, determine what percentage one value is of another, or measure a percentage increase or decrease between two values. The calculator displays the result immediately and shows the relevant relationship, making it useful for discounts, markups, grades, taxes, tips, and performance comparisons.
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Percentage Calculator - Free Online Math Tool - FusioFiles
Calculate percentages, percentage differences, and ratio values instantly. Easy-to-use tool for business and education. Fast, free, and private.
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How to use Percentage Calculator
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1
Select Mode
Choose if you want to find a percentage, total, or difference.
2
Enter Numbers
Input the values for your specific calculation.
3
View Result
The tool calculates the percentage or value automatically.
Key Features
Three Modes
Calculate X% of Y, Percentage Increase/Decrease, and X is what % of Y.
Instant Math
Results update automatically as you type.
Clear Formulas
Learn how the percentage is calculated with shown formulas.
Financial Friendly
Great for calculating discounts, sales tax, and tips.
Frequently Asked Questions
Subtract the original value from the new value, divide by the original value, and multiply by 100.
Yes, our percentage calculator is completely free and works offline in your browser.
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