38.7% is the change from 478 to 663
Calculation steps:
[( 663 - 478 ) ÷ 478] x 100 = 38.7%
Formula
Percentage change = [(663 - 478) / 478] x 100
Subtract the new number by the original number
663 - 478 = 185
185 ÷ 478 = 0.38702928870292885
0.38702928870292885 x 100 = 38.7%