3.17% is the change from 819 to 845
Calculation steps:
[( 845 - 819 ) ÷ 819] x 100 = 3.17%
Formula
Percentage change = [(845 - 819) / 819] x 100
Subtract the new number by the original number
845 - 819 = 26
26 ÷ 819 = 0.031746031746031744
0.031746031746031744 x 100 = 3.17%