-35.49% is the change from 324 to 209
Calculation steps:
[( 209 - 324 ) ÷ 324] x 100 = -35.49%
Formula
Percentage change = [(209 - 324) / 324] x 100
Subtract the new number by the original number
209 - 324 = -115
-115 ÷ 324 = -0.3549382716049383
-0.3549382716049383 x 100 = -35.49%