21.69% is the change from 673 to 819
Calculation steps:
[( 819 - 673 ) ÷ 673] x 100 = 21.69%
Formula
Percentage change = [(819 - 673) / 673] x 100
Subtract the new number by the original number
819 - 673 = 146
146 ÷ 673 = 0.21693907875185736
0.21693907875185736 x 100 = 21.69%