-52.28% is the change from 329 to 157
Calculation steps:
[( 157 - 329 ) ÷ 329] x 100 = -52.28%
Formula
Percentage change = [(157 - 329) / 329] x 100
Subtract the new number by the original number
157 - 329 = -172
-172 ÷ 329 = -0.5227963525835866
-0.5227963525835866 x 100 = -52.28%