21.13% is the change from 459 to 556
Calculation steps:
[( 556 - 459 ) ÷ 459] x 100 = 21.13%
Formula
Percentage change = [(556 - 459) / 459] x 100
Subtract the new number by the original number
556 - 459 = 97
97 ÷ 459 = 0.2113289760348584
0.2113289760348584 x 100 = 21.13%