-51.37% is the change from 329 to 160
Calculation steps:
[( 160 - 329 ) ÷ 329] x 100 = -51.37%
Formula
Percentage change = [(160 - 329) / 329] x 100
Subtract the new number by the original number
160 - 329 = -169
-169 ÷ 329 = -0.513677811550152
-0.513677811550152 x 100 = -51.37%