54.18% is the change from 275 to 424
Calculation steps:
[( 424 - 275 ) ÷ 275] x 100 = 54.18%
Formula
Percentage change = [(424 - 275) / 275] x 100
Subtract the new number by the original number
424 - 275 = 149
149 ÷ 275 = 0.5418181818181819
0.5418181818181819 x 100 = 54.18%