2.52% is the change from 635 to 651
Calculation steps:
[( 651 - 635 ) ÷ 635] x 100 = 2.52%
Formula
Percentage change = [(651 - 635) / 635] x 100
Subtract the new number by the original number
651 - 635 = 16
16 ÷ 635 = 0.025196850393700787
0.025196850393700787 x 100 = 2.52%