8.59% is the change from 768 to 834
Calculation steps:
[( 834 - 768 ) ÷ 768] x 100 = 8.59%
Formula
Percentage change = [(834 - 768) / 768] x 100
Subtract the new number by the original number
834 - 768 = 66
66 ÷ 768 = 0.0859375
0.0859375 x 100 = 8.59%