3.35% is the change from 686 to 709
Calculation steps:
[( 709 - 686 ) ÷ 686] x 100 = 3.35%
Formula
Percentage change = [(709 - 686) / 686] x 100
Subtract the new number by the original number
709 - 686 = 23
23 ÷ 686 = 0.033527696793002916
0.033527696793002916 x 100 = 3.35%