34.03% is the change from 476 to 638
Calculation steps:
[( 638 - 476 ) ÷ 476] x 100 = 34.03%
Formula
Percentage change = [(638 - 476) / 476] x 100
Subtract the new number by the original number
638 - 476 = 162
162 ÷ 476 = 0.3403361344537815
0.3403361344537815 x 100 = 34.03%