-9.51% is the change from 904 to 818
Calculation steps:
[( 818 - 904 ) ÷ 904] x 100 = -9.51%
Formula
Percentage change = [(818 - 904) / 904] x 100
Subtract the new number by the original number
818 - 904 = -86
-86 ÷ 904 = -0.09513274336283185
-0.09513274336283185 x 100 = -9.51%