-81.69% is the change from 972 to 178
Calculation steps:
[( 178 - 972 ) ÷ 972] x 100 = -81.69%
Formula
Percentage change = [(178 - 972) / 972] x 100
Subtract the new number by the original number
178 - 972 = -794
-794 ÷ 972 = -0.8168724279835391
-0.8168724279835391 x 100 = -81.69%