-2.77% is the change from 867 to 843
Calculation steps:
[( 843 - 867 ) ÷ 867] x 100 = -2.77%
Formula
Percentage change = [(843 - 867) / 867] x 100
Subtract the new number by the original number
843 - 867 = -24
-24 ÷ 867 = -0.02768166089965398
-0.02768166089965398 x 100 = -2.77%