8.07% is the change from 768 to 830
Calculation steps:
[( 830 - 768 ) ÷ 768] x 100 = 8.07%
Formula
Percentage change = [(830 - 768) / 768] x 100
Subtract the new number by the original number
830 - 768 = 62
62 ÷ 768 = 0.08072916666666667
0.08072916666666667 x 100 = 8.07%