-81.21% is the change from 958 to 180
Calculation steps:
[( 180 - 958 ) ÷ 958] x 100 = -81.21%
Formula
Percentage change = [(180 - 958) / 958] x 100
Subtract the new number by the original number
180 - 958 = -778
-778 ÷ 958 = -0.8121085594989561
-0.8121085594989561 x 100 = -81.21%