1.6% is the change from 625 to 635
Calculation steps:
[( 635 - 625 ) ÷ 625] x 100 = 1.6%
Formula
Percentage change = [(635 - 625) / 625] x 100
Subtract the new number by the original number
635 - 625 = 10
10 ÷ 625 = 0.016
0.016 x 100 = 1.6%
Example