12.33% is the change from 819 to 920
Calculation steps:
[( 920 - 819 ) ÷ 819] x 100 = 12.33%
Formula
Percentage change = [(920 - 819) / 819] x 100
Subtract the new number by the original number
920 - 819 = 101
101 ÷ 819 = 0.12332112332112333
0.12332112332112333 x 100 = 12.33%