-75.16% is the change from 157 to 39
Calculation steps:
[( 39 - 157 ) ÷ 157] x 100 = -75.16%
Formula
Percentage change = [(39 - 157) / 157] x 100
Subtract the new number by the original number
39 - 157 = -118
-118 ÷ 157 = -0.7515923566878981
-0.7515923566878981 x 100 = -75.16%