28.07% is the change from 456 to 584
Calculation steps:
[( 584 - 456 ) ÷ 456] x 100 = 28.07%
Formula
Percentage change = [(584 - 456) / 456] x 100
Subtract the new number by the original number
584 - 456 = 128
128 ÷ 456 = 0.2807017543859649
0.2807017543859649 x 100 = 28.07%