Percentage Calculator
Calculate percentages, percentage increase/decrease, and percentage of a number. Free online percentage calculator.
Inputs
Percentage Calculator
Calculate percentages quickly and easily. This calculator helps you find what percentage one number is of another, or calculate a percentage of a number.
Common Uses
- Calculate discounts and sales prices- Determine percentage increase or decrease- Find what percentage one number is of another
- Calculate tips and commissions
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How to Use
Enter the base value and the percentage you want to calculate. The calculator will show you the result instantly.
Frequently Asked Questions
Q: How do you calculate percentage?
A: To calculate a percentage, multiply the value by the percentage and divide by 100. For example, 20% of 100 = (100 × 20) / 100 = 20.
Q: How do you calculate percentage increase?
A: Percentage increase = ((New Value - Old Value) / Old Value) × 100.