-51.59% is the change from 157 to 76
Calculation steps:
[( 76 - 157 ) ÷ 157] x 100 = -51.59%
Formula
Percentage change = [(76 - 157) / 157] x 100
Subtract the new number by the original number
76 - 157 = -81
-81 ÷ 157 = -0.5159235668789809
-0.5159235668789809 x 100 = -51.59%