9.23% is the change from 845 to 923
Calculation steps:
[( 923 - 845 ) ÷ 845] x 100 = 9.23%
Formula
Percentage change = [(923 - 845) / 845] x 100
Subtract the new number by the original number
923 - 845 = 78
78 ÷ 845 = 0.09230769230769231
0.09230769230769231 x 100 = 9.23%