6.55% is the change from 779 to 830
Calculation steps:
[( 830 - 779 ) ÷ 779] x 100 = 6.55%
Formula
Percentage change = [(830 - 779) / 779] x 100
Subtract the new number by the original number
830 - 779 = 51
51 ÷ 779 = 0.06546854942233633
0.06546854942233633 x 100 = 6.55%