-23.07% is the change from 867 to 667
Calculation steps:
[( 667 - 867 ) ÷ 867] x 100 = -23.07%
Formula
Percentage change = [(667 - 867) / 867] x 100
Subtract the new number by the original number
667 - 867 = -200
-200 ÷ 867 = -0.2306805074971165
-0.2306805074971165 x 100 = -23.07%