-81.58% is the change from 972 to 179
Calculation steps:
[( 179 - 972 ) ÷ 972] x 100 = -81.58%
Formula
Percentage change = [(179 - 972) / 972] x 100
Subtract the new number by the original number
179 - 972 = -793
-793 ÷ 972 = -0.815843621399177
-0.815843621399177 x 100 = -81.58%