17.73% is the change from 406 to 478
Calculation steps:
[( 478 - 406 ) ÷ 406] x 100 = 17.73%
Formula
Percentage change = [(478 - 406) / 406] x 100
Subtract the new number by the original number
478 - 406 = 72
72 ÷ 406 = 0.17733990147783252
0.17733990147783252 x 100 = 17.73%