-90.95% is the change from 807 to 73
Calculation steps:
[( 73 - 807 ) ÷ 807] x 100 = -90.95%
Formula
Percentage change = [(73 - 807) / 807] x 100
Subtract the new number by the original number
73 - 807 = -734
-734 ÷ 807 = -0.909541511771995
-0.909541511771995 x 100 = -90.95%