21.57% is the change from 408 to 496
Calculation steps:
[( 496 - 408 ) ÷ 408] x 100 = 21.57%
Formula
Percentage change = [(496 - 408) / 408] x 100
Subtract the new number by the original number
496 - 408 = 88
88 ÷ 408 = 0.21568627450980393
0.21568627450980393 x 100 = 21.57%