12.58% is the change from 819 to 922
Calculation steps:
[( 922 - 819 ) ÷ 819] x 100 = 12.58%
Formula
Percentage change = [(922 - 819) / 819] x 100
Subtract the new number by the original number
922 - 819 = 103
103 ÷ 819 = 0.12576312576312576
0.12576312576312576 x 100 = 12.58%