2.53% is the change from 632 to 648
Calculation steps:
[( 648 - 632 ) ÷ 632] x 100 = 2.53%
Formula
Percentage change = [(648 - 632) / 632] x 100
Subtract the new number by the original number
648 - 632 = 16
16 ÷ 632 = 0.02531645569620253
0.02531645569620253 x 100 = 2.53%