2.35% is the change from 638 to 653
Calculation steps:
[( 653 - 638 ) ÷ 638] x 100 = 2.35%
Formula
Percentage change = [(653 - 638) / 638] x 100
Subtract the new number by the original number
653 - 638 = 15
15 ÷ 638 = 0.023510971786833857
0.023510971786833857 x 100 = 2.35%