# How do you calculate the percent change of 200 to 158?

Feb 26, 2017

Decrease of 21%

#### Explanation:

The change is obviously a decrease, but we use the same method for an increase and a decrease.

Calculate the actual change (bigger value - smaller value)

$200 - 158 = 42$

To calculate the % change :  " " color(blue)("change"/"original" xx 100%)

42/200 xx 100%

= 21%decrease of 21%