-14.09% is the change from 958 to 823
Calculation steps:
[( 823 - 958 ) ÷ 958] x 100 = -14.09%
Formula
Percentage change = [(823 - 958) / 958] x 100
Subtract the new number by the original number
823 - 958 = -135
-135 ÷ 958 = -0.1409185803757829
-0.1409185803757829 x 100 = -14.09%