8.79% is the change from 819 to 891
Calculation steps:
[( 891 - 819 ) ÷ 819] x 100 = 8.79%
Formula
Percentage change = [(891 - 819) / 819] x 100
Subtract the new number by the original number
891 - 819 = 72
72 ÷ 819 = 0.08791208791208792
0.08791208791208792 x 100 = 8.79%