3.52% is the change from 625 to 647
Calculation steps:
[( 647 - 625 ) ÷ 625] x 100 = 3.52%
Formula
Percentage change = [(647 - 625) / 625] x 100
Subtract the new number by the original number
647 - 625 = 22
22 ÷ 625 = 0.0352
0.0352 x 100 = 3.52%
Example