-36.31% is the change from 157 to 100
Calculation steps:
[( 100 - 157 ) ÷ 157] x 100 = -36.31%
Formula
Percentage change = [(100 - 157) / 157] x 100
Subtract the new number by the original number
100 - 157 = -57
-57 ÷ 157 = -0.3630573248407643
-0.3630573248407643 x 100 = -36.31%