-9.5% is the change from 958 to 867
Calculation steps:
[( 867 - 958 ) ÷ 958] x 100 = -9.5%
Formula
Percentage change = [(867 - 958) / 958] x 100
Subtract the new number by the original number
867 - 958 = -91
-91 ÷ 958 = -0.09498956158663883
-0.09498956158663883 x 100 = -9.5%