-91.34% is the change from 958 to 83
Calculation steps:
[( 83 - 958 ) ÷ 958] x 100 = -91.34%
Formula
Percentage change = [(83 - 958) / 958] x 100
Subtract the new number by the original number
83 - 958 = -875
-875 ÷ 958 = -0.9133611691022965
-0.9133611691022965 x 100 = -91.34%