9.73% is the change from 812 to 891
Calculation steps:
[( 891 - 812 ) ÷ 812] x 100 = 9.73%
Formula
Percentage change = [(891 - 812) / 812] x 100
Subtract the new number by the original number
891 - 812 = 79
79 ÷ 812 = 0.09729064039408868
0.09729064039408868 x 100 = 9.73%