25.84% is the change from 507 to 638
Calculation steps:
[( 638 - 507 ) ÷ 507] x 100 = 25.84%
Formula
Percentage change = [(638 - 507) / 507] x 100
Subtract the new number by the original number
638 - 507 = 131
131 ÷ 507 = 0.2583826429980276
0.2583826429980276 x 100 = 25.84%