7.65% is the change from 771 to 830
Calculation steps:
[( 830 - 771 ) ÷ 771] x 100 = 7.65%
Formula
Percentage change = [(830 - 771) / 771] x 100
Subtract the new number by the original number
830 - 771 = 59
59 ÷ 771 = 0.07652399481193256
0.07652399481193256 x 100 = 7.65%