-15.34% is the change from 958 to 811
Calculation steps:
[( 811 - 958 ) ÷ 958] x 100 = -15.34%
Formula
Percentage change = [(811 - 958) / 958] x 100
Subtract the new number by the original number
811 - 958 = -147
-147 ÷ 958 = -0.1534446764091858
-0.1534446764091858 x 100 = -15.34%