38.08% is the change from 478 to 660
Calculation steps:
[( 660 - 478 ) ÷ 478] x 100 = 38.08%
Formula
Percentage change = [(660 - 478) / 478] x 100
Subtract the new number by the original number
660 - 478 = 182
182 ÷ 478 = 0.3807531380753138
0.3807531380753138 x 100 = 38.08%