3.68% is the change from 625 to 648
Calculation steps:
[( 648 - 625 ) ÷ 625] x 100 = 3.68%
Formula
Percentage change = [(648 - 625) / 625] x 100
Subtract the new number by the original number
648 - 625 = 23
23 ÷ 625 = 0.0368
0.0368 x 100 = 3.68%
Example