23.93% is the change from 677 to 839
Calculation steps:
[( 839 - 677 ) ÷ 677] x 100 = 23.93%
Formula
Percentage change = [(839 - 677) / 677] x 100
Subtract the new number by the original number
839 - 677 = 162
162 ÷ 677 = 0.23929098966026588
0.23929098966026588 x 100 = 23.93%