6.34% is the change from 804 to 855
Calculation steps:
[( 855 - 804 ) ÷ 804] x 100 = 6.34%
Formula
Percentage change = [(855 - 804) / 804] x 100
Subtract the new number by the original number
855 - 804 = 51
51 ÷ 804 = 0.06343283582089553
0.06343283582089553 x 100 = 6.34%