19.2% is the change from 401 to 478
Calculation steps:
[( 478 - 401 ) ÷ 401] x 100 = 19.2%
Formula
Percentage change = [(478 - 401) / 401] x 100
Subtract the new number by the original number
478 - 401 = 77
77 ÷ 401 = 0.19201995012468828
0.19201995012468828 x 100 = 19.2%