23.03% is the change from 686 to 844
Calculation steps:
[( 844 - 686 ) ÷ 686] x 100 = 23.03%
Formula
Percentage change = [(844 - 686) / 686] x 100
Subtract the new number by the original number
844 - 686 = 158
158 ÷ 686 = 0.2303206997084548
0.2303206997084548 x 100 = 23.03%