-2.88% is the change from 867 to 842
Calculation steps:
[( 842 - 867 ) ÷ 867] x 100 = -2.88%
Formula
Percentage change = [(842 - 867) / 867] x 100
Subtract the new number by the original number
842 - 867 = -25
-25 ÷ 867 = -0.02883506343713956
-0.02883506343713956 x 100 = -2.88%