16.69% is the change from 839 to 979
Calculation steps:
[( 979 - 839 ) ÷ 839] x 100 = 16.69%
Formula
Percentage change = [(979 - 839) / 839] x 100
Subtract the new number by the original number
979 - 839 = 140
140 ÷ 839 = 0.16686531585220502
0.16686531585220502 x 100 = 16.69%