29.68% is the change from 401 to 520
Calculation steps:
[( 520 - 401 ) ÷ 401] x 100 = 29.68%
Formula
Percentage change = [(520 - 401) / 401] x 100
Subtract the new number by the original number
520 - 401 = 119
119 ÷ 401 = 0.2967581047381546
0.2967581047381546 x 100 = 29.68%