-6.79% is the change from 869 to 810
Calculation steps:
[( 810 - 869 ) ÷ 869] x 100 = -6.79%
Formula
Percentage change = [(810 - 869) / 869] x 100
Subtract the new number by the original number
810 - 869 = -59
-59 ÷ 869 = -0.06789413118527042
-0.06789413118527042 x 100 = -6.79%