29.48% is the change from 424 to 549
Calculation steps:
[( 549 - 424 ) ÷ 424] x 100 = 29.48%
Formula
Percentage change = [(549 - 424) / 424] x 100
Subtract the new number by the original number
549 - 424 = 125
125 ÷ 424 = 0.294811320754717
0.294811320754717 x 100 = 29.48%