4.26% is the change from 657 to 685
Calculation steps:
[( 685 - 657 ) ÷ 657] x 100 = 4.26%
Formula
Percentage change = [(685 - 657) / 657] x 100
Subtract the new number by the original number
685 - 657 = 28
28 ÷ 657 = 0.0426179604261796
0.0426179604261796 x 100 = 4.26%