Percent of decrease calculator
This percent of decrease calculator will get you the answer for any percent of decrease word problems.
How to use the calculator
Just enter the original amount in the box on the left and the final amount in the box on the right
For instance, if you are looking for the percent of decrease for 20 and 10, enter 20 in the box on the left and 10 in the box on the right.
Just hit the calculate button and you are good to go.
Recall that to get the percent of decrease, you need to do the following:
Amount of decrease/ original amount
Then, convert the answer into percent
For example, find the percent of decrease from 60 to 30
Amount of decrease is 60 − 30 = 30
Original amount is 60
30 /60 = 0.5
multiply 2 by one hundred to get the answer as a percent
0.5 × 100 = 50, so the answer is 50%.

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