Best Answer

A - A x 1 / 100 = X

where 'A' is the number and 'X' is the result of decreasing by 1% from A.

Example: To decrease 1% from 20 you would calculate as

20 - 20 x 1 / 100 = 19.8

Q: How do you decrease by a percent?

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9.5238% decrease.

20 percent decrease.

20% decrease.

The percent decrease of 765 to 153 = 80%

The percent in the decrease of 25 to 20 = 20%

Related questions

12.5% decrease.

9.5238% decrease.

the amount of decrease in a percent

20% decrease.

20 percent decrease.

148 to 121 is a percent decrease of 18.24%

The percent decrease from 14 to 9 is 35.71.

The percent decrease of 765 to 153 = 80%

This is a decrease of 20%

Percent Decrease = (Original Amount - New Amount)/(Original Amount) * 100% The percent decrease from 220 to 33 is 85%

Both are correct, depending on the context. If decrease is a noun then decrease of is correct. eg This year we have seen a decrease of 20 percent. If decrease is a verb then decrease by 20 percent is correct. eg This year we can decrease the price by 20 percent.

You can decrease a number by 10 percent by multiplying it by 0.9