9.28% is the change from 830 to 907
Calculation steps:
[( 907 - 830 ) ÷ 830] x 100 = 9.28%
Formula
Percentage change = [(907 - 830) / 830] x 100
Subtract the new number by the original number
907 - 830 = 77
77 ÷ 830 = 0.0927710843373494
0.0927710843373494 x 100 = 9.28%