-8.06% is the change from 869 to 799
Calculation steps:
[( 799 - 869 ) ÷ 869] x 100 = -8.06%
Formula
Percentage change = [(799 - 869) / 869] x 100
Subtract the new number by the original number
799 - 869 = -70
-70 ÷ 869 = -0.0805523590333717
-0.0805523590333717 x 100 = -8.06%