34.16% is the change from 401 to 538
Calculation steps:
[( 538 - 401 ) ÷ 401] x 100 = 34.16%
Formula
Percentage change = [(538 - 401) / 401] x 100
Subtract the new number by the original number
538 - 401 = 137
137 ÷ 401 = 0.341645885286783
0.341645885286783 x 100 = 34.16%