8.66% is the change from 808 to 878
Calculation steps:
[( 878 - 808 ) ÷ 808] x 100 = 8.66%
Formula
Percentage change = [(878 - 808) / 808] x 100
Subtract the new number by the original number
878 - 808 = 70
70 ÷ 808 = 0.08663366336633663
0.08663366336633663 x 100 = 8.66%