9.21% is the change from 760 to 830
Calculation steps:
[( 830 - 760 ) ÷ 760] x 100 = 9.21%
Formula
Percentage change = [(830 - 760) / 760] x 100
Subtract the new number by the original number
830 - 760 = 70
70 ÷ 760 = 0.09210526315789473
0.09210526315789473 x 100 = 9.21%