35.19% is the change from 324 to 438
Calculation steps:
[( 438 - 324 ) ÷ 324] x 100 = 35.19%
Formula
Percentage change = [(438 - 324) / 324] x 100
Subtract the new number by the original number
438 - 324 = 114
114 ÷ 324 = 0.35185185185185186
0.35185185185185186 x 100 = 35.19%