-47.13% is the change from 331 to 175
Calculation steps:
[( 175 - 331 ) ÷ 331] x 100 = -47.13%
Formula
Percentage change = [(175 - 331) / 331] x 100
Subtract the new number by the original number
175 - 331 = -156
-156 ÷ 331 = -0.47129909365558914
-0.47129909365558914 x 100 = -47.13%