25.07% is the change from 686 to 858
Calculation steps:
[( 858 - 686 ) ÷ 686] x 100 = 25.07%
Formula
Percentage change = [(858 - 686) / 686] x 100
Subtract the new number by the original number
858 - 686 = 172
172 ÷ 686 = 0.25072886297376096
0.25072886297376096 x 100 = 25.07%