22.74% is the change from 686 to 842
Calculation steps:
[( 842 - 686 ) ÷ 686] x 100 = 22.74%
Formula
Percentage change = [(842 - 686) / 686] x 100
Subtract the new number by the original number
842 - 686 = 156
156 ÷ 686 = 0.22740524781341107
0.22740524781341107 x 100 = 22.74%