0.88% is the change from 680 to 686
Calculation steps:
[( 686 - 680 ) ÷ 680] x 100 = 0.88%
Formula
Percentage change = [(686 - 680) / 680] x 100
Subtract the new number by the original number
686 - 680 = 6
6 ÷ 680 = 0.008823529411764706
0.008823529411764706 x 100 = 0.88%