-1.59% is the change from 817 to 804
Calculation steps:
[( 804 - 817 ) ÷ 817] x 100 = -1.59%
Formula
Percentage change = [(804 - 817) / 817] x 100
Subtract the new number by the original number
804 - 817 = -13
-13 ÷ 817 = -0.01591187270501836
-0.01591187270501836 x 100 = -1.59%