-34.88% is the change from 324 to 211
Calculation steps:
[( 211 - 324 ) ÷ 324] x 100 = -34.88%
Formula
Percentage change = [(211 - 324) / 324] x 100
Subtract the new number by the original number
211 - 324 = -113
-113 ÷ 324 = -0.3487654320987654
-0.3487654320987654 x 100 = -34.88%