8.05% is the change from 820 to 886
Calculation steps:
[( 886 - 820 ) ÷ 820] x 100 = 8.05%
Formula
Percentage change = [(886 - 820) / 820] x 100
Subtract the new number by the original number
886 - 820 = 66
66 ÷ 820 = 0.08048780487804878
0.08048780487804878 x 100 = 8.05%