7.8% is the change from 821 to 885
Calculation steps:
[( 885 - 821 ) ÷ 821] x 100 = 7.8%
Formula
Percentage change = [(885 - 821) / 821] x 100
Subtract the new number by the original number
885 - 821 = 64
64 ÷ 821 = 0.0779537149817296
0.0779537149817296 x 100 = 7.8%