12.7% is the change from 819 to 923
Calculation steps:
[( 923 - 819 ) ÷ 819] x 100 = 12.7%
Formula
Percentage change = [(923 - 819) / 819] x 100
Subtract the new number by the original number
923 - 819 = 104
104 ÷ 819 = 0.12698412698412698
0.12698412698412698 x 100 = 12.7%