12.81% is the change from 609 to 687
Calculation steps:
[( 687 - 609 ) ÷ 609] x 100 = 12.81%
Formula
Percentage change = [(687 - 609) / 609] x 100
Subtract the new number by the original number
687 - 609 = 78
78 ÷ 609 = 0.12807881773399016
0.12807881773399016 x 100 = 12.81%