-73.29% is the change from 805 to 215
Calculation steps:
[( 215 - 805 ) ÷ 805] x 100 = -73.29%
Formula
Percentage change = [(215 - 805) / 805] x 100
Subtract the new number by the original number
215 - 805 = -590
-590 ÷ 805 = -0.7329192546583851
-0.7329192546583851 x 100 = -73.29%