How to Calculate Percentage Decrease

Percetage decrease formula

Percent decrease is a measure of percent change, which is the extent to which something loses value.


How to Calculate Percentage Decrease

  • Subtract starting value minus final value
  • Divide that amount by the absolute value of the starting value
  • Multiply by 100 to get percent decrease
  • If the percentage is negative, it means there was an increase and not a decrease.

In other words

Start with working out the difference (decrease) between the two numbers you are comparing.

Decrease = Original Number – New Number

Next, divide the decrease by the original number and multiply the answer by 100.

% Decrease = Decrease ÷ Original Number × 100

Percentage Decrease Formula

You can use the percentage decrease formula for any percent decrease calculation:

How to Calculate Percentage Decrease 3
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