59.1% is the change from 401 to 638
Calculation steps:
[( 638 - 401 ) ÷ 401] x 100 = 59.1%
Formula
Percentage change = [(638 - 401) / 401] x 100
Subtract the new number by the original number
638 - 401 = 237
237 ÷ 401 = 0.5910224438902744
0.5910224438902744 x 100 = 59.1%