6.59% is the change from 819 to 873
Calculation steps:
[( 873 - 819 ) ÷ 819] x 100 = 6.59%
Formula
Percentage change = [(873 - 819) / 819] x 100
Subtract the new number by the original number
873 - 819 = 54
54 ÷ 819 = 0.06593406593406594
0.06593406593406594 x 100 = 6.59%