-94.9% is the change from 157 to 8
Calculation steps:
[( 8 - 157 ) ÷ 157] x 100 = -94.9%
Formula
Percentage change = [(8 - 157) / 157] x 100
Subtract the new number by the original number
8 - 157 = -149
-149 ÷ 157 = -0.9490445859872612
-0.9490445859872612 x 100 = -94.9%