4.25% is the change from 635 to 662
Calculation steps:
[( 662 - 635 ) ÷ 635] x 100 = 4.25%
Formula
Percentage change = [(662 - 635) / 635] x 100
Subtract the new number by the original number
662 - 635 = 27
27 ÷ 635 = 0.04251968503937008
0.04251968503937008 x 100 = 4.25%