-79.57% is the change from 186 to 38
Calculation steps:
[( 38 - 186 ) ÷ 186] x 100 = -79.57%
Formula
Percentage change = [(38 - 186) / 186] x 100
Subtract the new number by the original number
38 - 186 = -148
-148 ÷ 186 = -0.7956989247311828
-0.7956989247311828 x 100 = -79.57%
Example