8.64% is the change from 764 to 830
Calculation steps:
[( 830 - 764 ) ÷ 764] x 100 = 8.64%
Formula
Percentage change = [(830 - 764) / 764] x 100
Subtract the new number by the original number
830 - 764 = 66
66 ÷ 764 = 0.08638743455497382
0.08638743455497382 x 100 = 8.64%