11.2% is the change from 830 to 923
Calculation steps:
[( 923 - 830 ) ÷ 830] x 100 = 11.2%
Formula
Percentage change = [(923 - 830) / 830] x 100
Subtract the new number by the original number
923 - 830 = 93
93 ÷ 830 = 0.11204819277108434
0.11204819277108434 x 100 = 11.2%