-35.9% is the change from 507 to 325
Calculation steps:
[( 325 - 507 ) ÷ 507] x 100 = -35.9%
Formula
Percentage change = [(325 - 507) / 507] x 100
Subtract the new number by the original number
325 - 507 = -182
-182 ÷ 507 = -0.358974358974359
-0.358974358974359 x 100 = -35.9%