-80.38% is the change from 958 to 188
Calculation steps:
[( 188 - 958 ) ÷ 958] x 100 = -80.38%
Formula
Percentage change = [(188 - 958) / 958] x 100
Subtract the new number by the original number
188 - 958 = -770
-770 ÷ 958 = -0.8037578288100209
-0.8037578288100209 x 100 = -80.38%