Percentage Increase Decrease
Math CalculatorsCalculate the final value after an increase or decrease.
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Final Amount
About This Tool
Quickly determine the final amount after applying a percentage increase or decrease. Perfect for calculating sales tax, tips, or discounts.
Frequently Asked Questions
To increase a number by 20%, multiply it by 1.20. To decrease it by 20%, multiply it by 0.80. This calculator automates that process for you.
For an increase: Initial × (1 + Percent/100). For a decrease: Initial × (1 - Percent/100). This provides the total final amount quickly.
Yes, enter the original price and the discount percentage, then select "Decrease" to find the final sale price of the item.
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