-9.08% is the change from 958 to 871
Calculation steps:
[( 871 - 958 ) ÷ 958] x 100 = -9.08%
Formula
Percentage change = [(871 - 958) / 958] x 100
Subtract the new number by the original number
871 - 958 = -87
-87 ÷ 958 = -0.09081419624217119
-0.09081419624217119 x 100 = -9.08%