11.95% is the change from 686 to 768
Calculation steps:
[( 768 - 686 ) ÷ 686] x 100 = 11.95%
Formula
Percentage change = [(768 - 686) / 686] x 100
Subtract the new number by the original number
768 - 686 = 82
82 ÷ 686 = 0.119533527696793
0.119533527696793 x 100 = 11.95%