-83.49% is the change from 957 to 158
Calculation steps:
[( 158 - 957 ) ÷ 957] x 100 = -83.49%
Formula
Percentage change = [(158 - 957) / 957] x 100
Subtract the new number by the original number
158 - 957 = -799
-799 ÷ 957 = -0.8349007314524556
-0.8349007314524556 x 100 = -83.49%