3.76% is the change from 638 to 662
Calculation steps:
[( 662 - 638 ) ÷ 638] x 100 = 3.76%
Formula
Percentage change = [(662 - 638) / 638] x 100
Subtract the new number by the original number
662 - 638 = 24
24 ÷ 638 = 0.03761755485893417
0.03761755485893417 x 100 = 3.76%