13.55% is the change from 819 to 930
Calculation steps:
[( 930 - 819 ) ÷ 819] x 100 = 13.55%
Formula
Percentage change = [(930 - 819) / 819] x 100
Subtract the new number by the original number
930 - 819 = 111
111 ÷ 819 = 0.13553113553113552
0.13553113553113552 x 100 = 13.55%