-48.1% is the change from 867 to 450
Calculation steps:
[( 450 - 867 ) ÷ 867] x 100 = -48.1%
Formula
Percentage change = [(450 - 867) / 867] x 100
Subtract the new number by the original number
450 - 867 = -417
-417 ÷ 867 = -0.4809688581314879
-0.4809688581314879 x 100 = -48.1%