-39.22% is the change from 538 to 327
Calculation steps:
[( 327 - 538 ) ÷ 538] x 100 = -39.22%
Formula
Percentage change = [(327 - 538) / 538] x 100
Subtract the new number by the original number
327 - 538 = -211
-211 ÷ 538 = -0.39219330855018586
-0.39219330855018586 x 100 = -39.22%