-81.48% is the change from 972 to 180
Calculation steps:
[( 180 - 972 ) ÷ 972] x 100 = -81.48%
Formula
Percentage change = [(180 - 972) / 972] x 100
Subtract the new number by the original number
180 - 972 = -792
-792 ÷ 972 = -0.8148148148148148
-0.8148148148148148 x 100 = -81.48%