8.92% is the change from 830 to 904
Calculation steps:
[( 904 - 830 ) ÷ 830] x 100 = 8.92%
Formula
Percentage change = [(904 - 830) / 830] x 100
Subtract the new number by the original number
904 - 830 = 74
74 ÷ 830 = 0.0891566265060241
0.0891566265060241 x 100 = 8.92%