-90.91% is the change from 803 to 73
Calculation steps:
[( 73 - 803 ) ÷ 803] x 100 = -90.91%
Formula
Percentage change = [(73 - 803) / 803] x 100
Subtract the new number by the original number
73 - 803 = -730
-730 ÷ 803 = -0.9090909090909091
-0.9090909090909091 x 100 = -90.91%