6.68% is the change from 779 to 831
Calculation steps:
[( 831 - 779 ) ÷ 779] x 100 = 6.68%
Formula
Percentage change = [(831 - 779) / 779] x 100
Subtract the new number by the original number
831 - 779 = 52
52 ÷ 779 = 0.06675224646983312
0.06675224646983312 x 100 = 6.68%