Percent Decrease Calculator
Use this free percent decrease calculator to find the percentage decrease between two values and calculate the exact amount decreased.
Calculate Percentage Decrease
Enter the original value and the new lower value.
How to Calculate Percent Decrease
To calculate percent decrease, subtract the new value from the original value. Divide the decrease by the original value and multiply by 100.
Percent Decrease Formula
Percentage Decrease = ((Original Value − New Value) ÷ Original Value) × 100
For example, if a value decreases from 680 to 476, the amount decreased is 204. Dividing 204 by 680 and multiplying by 100 gives a 30% decrease.
Common Uses
- Calculate a price decrease.
- Find a percentage reduction.
- Calculate discounts and markdowns.
- Compare an original number with a lower number.
- Calculate a decrease in sales or revenue.
- Find the percentage change between two values.
Percent Decrease Examples
The calculator works with whole numbers as well as decimal values.
100 to 80
The decrease is 20. Since 20 divided by 100 equals 0.20, the percentage decrease is 20%.
500 to 400
The decrease is 100. Dividing 100 by 500 and multiplying by 100 gives a 20% decrease.
680 to 476
The decrease is 204. Dividing 204 by 680 and multiplying by 100 gives a 30% decrease.
Related Percentage Tools
Use more free percentage calculators from AB Multi Tools.
Frequently Asked Questions
Subtract the new value from the original value, divide the decrease by the original value, and multiply by 100.
The percent decrease from 680 to 476 is 30%. The amount decreased is 204.
Percentage Decrease = ((Original Value − New Value) ÷ Original Value) × 100.
Yes. The calculator accepts both whole numbers and decimal values.
Yes. You can enter the original price and the discounted price to calculate the percentage decrease.
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