20.54% is the change from 779 to 939
Calculation steps:
[( 939 - 779 ) ÷ 779] x 100 = 20.54%
Formula
Percentage change = [(939 - 779) / 779] x 100
Subtract the new number by the original number
939 - 779 = 160
160 ÷ 779 = 0.20539152759948653
0.20539152759948653 x 100 = 20.54%