3.35% is the change from 657 to 679
Calculation steps:
[( 679 - 657 ) ÷ 657] x 100 = 3.35%
Formula
Percentage change = [(679 - 657) / 657] x 100
Subtract the new number by the original number
679 - 657 = 22
22 ÷ 657 = 0.0334855403348554
0.0334855403348554 x 100 = 3.35%