-37.57% is the change from 519 to 324
Calculation steps:
[( 324 - 519 ) ÷ 519] x 100 = -37.57%
Formula
Percentage change = [(324 - 519) / 519] x 100
Subtract the new number by the original number
324 - 519 = -195
-195 ÷ 519 = -0.37572254335260113
-0.37572254335260113 x 100 = -37.57%