-28.37% is the change from 867 to 621
Calculation steps:
[( 621 - 867 ) ÷ 867] x 100 = -28.37%
Formula
Percentage change = [(621 - 867) / 867] x 100
Subtract the new number by the original number
621 - 867 = -246
-246 ÷ 867 = -0.2837370242214533
-0.2837370242214533 x 100 = -28.37%