40.43% is the change from 324 to 455
Calculation steps:
[( 455 - 324 ) ÷ 324] x 100 = 40.43%
Formula
Percentage change = [(455 - 324) / 324] x 100
Subtract the new number by the original number
455 - 324 = 131
131 ÷ 324 = 0.404320987654321
0.404320987654321 x 100 = 40.43%