3.51% is the change from 656 to 679
Calculation steps:
[( 679 - 656 ) ÷ 656] x 100 = 3.51%
Formula
Percentage change = [(679 - 656) / 656] x 100
Subtract the new number by the original number
679 - 656 = 23
23 ÷ 656 = 0.0350609756097561
0.0350609756097561 x 100 = 3.51%