-7.94% is the change from 869 to 800
Calculation steps:
[( 800 - 869 ) ÷ 869] x 100 = -7.94%
Formula
Percentage change = [(800 - 869) / 869] x 100
Subtract the new number by the original number
800 - 869 = -69
-69 ÷ 869 = -0.07940161104718067
-0.07940161104718067 x 100 = -7.94%