-34.86% is the change from 502 to 327
Calculation steps:
[( 327 - 502 ) ÷ 502] x 100 = -34.86%
Formula
Percentage change = [(327 - 502) / 502] x 100
Subtract the new number by the original number
327 - 502 = -175
-175 ÷ 502 = -0.34860557768924305
-0.34860557768924305 x 100 = -34.86%