39.94% is the change from 686 to 960
Calculation steps:
[( 960 - 686 ) ÷ 686] x 100 = 39.94%
Formula
Percentage change = [(960 - 686) / 686] x 100
Subtract the new number by the original number
960 - 686 = 274
274 ÷ 686 = 0.39941690962099125
0.39941690962099125 x 100 = 39.94%