29.86% is the change from 422 to 548
Calculation steps:
[( 548 - 422 ) ÷ 422] x 100 = 29.86%
Formula
Percentage change = [(548 - 422) / 422] x 100
Subtract the new number by the original number
548 - 422 = 126
126 ÷ 422 = 0.2985781990521327
0.2985781990521327 x 100 = 29.86%