41.05% is the change from 324 to 457
Calculation steps:
[( 457 - 324 ) ÷ 324] x 100 = 41.05%
Formula
Percentage change = [(457 - 324) / 324] x 100
Subtract the new number by the original number
457 - 324 = 133
133 ÷ 324 = 0.4104938271604938
0.4104938271604938 x 100 = 41.05%