-85.7% is the change from 958 to 137
Calculation steps:
[( 137 - 958 ) ÷ 958] x 100 = -85.7%
Formula
Percentage change = [(137 - 958) / 958] x 100
Subtract the new number by the original number
137 - 958 = -821
-821 ÷ 958 = -0.8569937369519833
-0.8569937369519833 x 100 = -85.7%