46.23% is the change from 424 to 620
Calculation steps:
[( 620 - 424 ) ÷ 424] x 100 = 46.23%
Formula
Percentage change = [(620 - 424) / 424] x 100
Subtract the new number by the original number
620 - 424 = 196
196 ÷ 424 = 0.46226415094339623
0.46226415094339623 x 100 = 46.23%