39.58% is the change from 475 to 663
Calculation steps:
[( 663 - 475 ) ÷ 475] x 100 = 39.58%
Formula
Percentage change = [(663 - 475) / 475] x 100
Subtract the new number by the original number
663 - 475 = 188
188 ÷ 475 = 0.3957894736842105
0.3957894736842105 x 100 = 39.58%