-81.2% is the change from 931 to 175
Calculation steps:
[( 175 - 931 ) ÷ 931] x 100 = -81.2%
Formula
Percentage change = [(175 - 931) / 931] x 100
Subtract the new number by the original number
175 - 931 = -756
-756 ÷ 931 = -0.8120300751879699
-0.8120300751879699 x 100 = -81.2%