22.48% is the change from 685 to 839
Calculation steps:
[( 839 - 685 ) ÷ 685] x 100 = 22.48%
Formula
Percentage change = [(839 - 685) / 685] x 100
Subtract the new number by the original number
839 - 685 = 154
154 ÷ 685 = 0.22481751824817517
0.22481751824817517 x 100 = 22.48%