-6.4% is the change from 859 to 804
Calculation steps:
[( 804 - 859 ) ÷ 859] x 100 = -6.4%
Formula
Percentage change = [(804 - 859) / 859] x 100
Subtract the new number by the original number
804 - 859 = -55
-55 ÷ 859 = -0.0640279394644936
-0.0640279394644936 x 100 = -6.4%