48.03% is the change from 431 to 638
Calculation steps:
[( 638 - 431 ) ÷ 431] x 100 = 48.03%
Formula
Percentage change = [(638 - 431) / 431] x 100
Subtract the new number by the original number
638 - 431 = 207
207 ÷ 431 = 0.4802784222737819
0.4802784222737819 x 100 = 48.03%