31.01% is the change from 474 to 621
Calculation steps:
[( 621 - 474 ) ÷ 474] x 100 = 31.01%
Formula
Percentage change = [(621 - 474) / 474] x 100
Subtract the new number by the original number
621 - 474 = 147
147 ÷ 474 = 0.310126582278481
0.310126582278481 x 100 = 31.01%