-91.75% is the change from 958 to 79
Calculation steps:
[( 79 - 958 ) ÷ 958] x 100 = -91.75%
Formula
Percentage change = [(79 - 958) / 958] x 100
Subtract the new number by the original number
79 - 958 = -879
-879 ÷ 958 = -0.9175365344467641
-0.9175365344467641 x 100 = -91.75%