-37.93% is the change from 522 to 324
Calculation steps:
[( 324 - 522 ) ÷ 522] x 100 = -37.93%
Formula
Percentage change = [(324 - 522) / 522] x 100
Subtract the new number by the original number
324 - 522 = -198
-198 ÷ 522 = -0.3793103448275862
-0.3793103448275862 x 100 = -37.93%