-55.25% is the change from 867 to 388
Calculation steps:
[( 388 - 867 ) ÷ 867] x 100 = -55.25%
Formula
Percentage change = [(388 - 867) / 867] x 100
Subtract the new number by the original number
388 - 867 = -479
-479 ÷ 867 = -0.552479815455594
-0.552479815455594 x 100 = -55.25%