Add or Subtract Percentage Calculator
Add or subtract a percentage from a number and see the increase amount, decrease amount, and adjusted values.
Add or subtract a percent from a number
This calculator applies a percentage adjustment to a starting number. It shows both the increased value and the decreased value so you can compare the effect quickly.
Delta is the change amount, N is the starting number, and P is the percent.
N_add is the result after adding the percent.
N_subtract is the result after subtracting the percent.
When to use it
- Add a percent for sales tax, a markup, a raise, or an increase.
- Subtract a percent for a discount, markdown, reduction, or decrease.
- Use a discount calculator when you need sale-price wording and savings.
- Use percentage change when you already know the old and new values.
| Example | Result |
|---|---|
| Add 8% to 50 | 54 |
| Subtract 15% from 120 | 102 |
| Add 5% to 40,000 | 42,000 |
Frequently Asked Questions
Sources and References
- Add or Subtract Percentage CalculatorExamples.com
- Add or Subtract Percentage CalculatorOfficeCalculator
- Add or Subtract a Percentage CalculatorCoolConversion
- Percentage CalculatorPercentageCalculator.co
- PercentageWikipedia
Calculations are based on the listed reference sources. Links open in a new tab.
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