Percentage Calculator
Calculate percentages, percentage of a number, and percentage increase/decrease
About This Calculator
The Percentage Calculator helps you calculate percentages in three ways: finding a percentage of a number, calculating percentage increase, and calculating percentage decrease. This tool is useful for discounts, markups, and various percentage-based calculations.
How It Works
- 1
Select the calculation type: percentage of a number, percentage increase, or percentage decrease.
- 2
Enter the base number or original value.
- 3
Input the percentage value.
- 4
The calculator computes the result based on your selected calculation type.
Formula Explanation
Percentage of a Number = (Number × Percentage) / 100To find what percentage of a number equals, multiply the number by the percentage and divide by 100.
Percentage Increase = Original Value + (Original Value × Percentage / 100)To calculate a percentage increase, add the percentage of the original value to the original value.
Percentage Decrease = Original Value - (Original Value × Percentage / 100)To calculate a percentage decrease, subtract the percentage of the original value from the original value.
Tips
Use "percentage of" to calculate discounts, tips, or portions of amounts.
Use "percentage increase" to calculate price increases, salary raises, or growth.
Use "percentage decrease" to calculate price reductions or decreases.
Percentages can be greater than 100% for increases.