2.32% is the change from 819 to 838
Calculation steps:
[( 838 - 819 ) ÷ 819] x 100 = 2.32%
Formula
Percentage change = [(838 - 819) / 819] x 100
Subtract the new number by the original number
838 - 819 = 19
19 ÷ 819 = 0.0231990231990232
0.0231990231990232 x 100 = 2.32%