-6.9% is the change from 869 to 809
Calculation steps:
[( 809 - 869 ) ÷ 869] x 100 = -6.9%
Formula
Percentage change = [(809 - 869) / 869] x 100
Subtract the new number by the original number
809 - 869 = -60
-60 ÷ 869 = -0.06904487917146145
-0.06904487917146145 x 100 = -6.9%