28.04% is the change from 428 to 548
Calculation steps:
[( 548 - 428 ) ÷ 428] x 100 = 28.04%
Formula
Percentage change = [(548 - 428) / 428] x 100
Subtract the new number by the original number
548 - 428 = 120
120 ÷ 428 = 0.2803738317757009
0.2803738317757009 x 100 = 28.04%