-14.41% is the change from 958 to 820
Calculation steps:
[( 820 - 958 ) ÷ 958] x 100 = -14.41%
Formula
Percentage change = [(820 - 958) / 958] x 100
Subtract the new number by the original number
820 - 958 = -138
-138 ÷ 958 = -0.1440501043841336
-0.1440501043841336 x 100 = -14.41%