-55.36% is the change from 867 to 387
Calculation steps:
[( 387 - 867 ) ÷ 867] x 100 = -55.36%
Formula
Percentage change = [(387 - 867) / 867] x 100
Subtract the new number by the original number
387 - 867 = -480
-480 ÷ 867 = -0.5536332179930796
-0.5536332179930796 x 100 = -55.36%