12.3% is the change from 610 to 685
Calculation steps:
[( 685 - 610 ) ÷ 610] x 100 = 12.3%
Formula
Percentage change = [(685 - 610) / 610] x 100
Subtract the new number by the original number
685 - 610 = 75
75 ÷ 610 = 0.12295081967213115
0.12295081967213115 x 100 = 12.3%