-91.58% is the change from 867 to 73
Calculation steps:
[( 73 - 867 ) ÷ 867] x 100 = -91.58%
Formula
Percentage change = [(73 - 867) / 867] x 100
Subtract the new number by the original number
73 - 867 = -794
-794 ÷ 867 = -0.9158016147635525
-0.9158016147635525 x 100 = -91.58%