3.21% is the change from 686 to 708
Calculation steps:
[( 708 - 686 ) ÷ 686] x 100 = 3.21%
Formula
Percentage change = [(708 - 686) / 686] x 100
Subtract the new number by the original number
708 - 686 = 22
22 ÷ 686 = 0.03206997084548105
0.03206997084548105 x 100 = 3.21%