-81.19% is the change from 957 to 180
Calculation steps:
[( 180 - 957 ) ÷ 957] x 100 = -81.19%
Formula
Percentage change = [(180 - 957) / 957] x 100
Subtract the new number by the original number
180 - 957 = -777
-777 ÷ 957 = -0.8119122257053292
-0.8119122257053292 x 100 = -81.19%