-81.25% is the change from 960 to 180
Calculation steps:
[( 180 - 960 ) ÷ 960] x 100 = -81.25%
Formula
Percentage change = [(180 - 960) / 960] x 100
Subtract the new number by the original number
180 - 960 = -780
-780 ÷ 960 = -0.8125
-0.8125 x 100 = -81.25%