9.2% is the change from 804 to 878
Calculation steps:
[( 878 - 804 ) ÷ 804] x 100 = 9.2%
Formula
Percentage change = [(878 - 804) / 804] x 100
Subtract the new number by the original number
878 - 804 = 74
74 ÷ 804 = 0.09203980099502487
0.09203980099502487 x 100 = 9.2%