-73.23% is the change from 803 to 215
Calculation steps:
[( 215 - 803 ) ÷ 803] x 100 = -73.23%
Formula
Percentage change = [(215 - 803) / 803] x 100
Subtract the new number by the original number
215 - 803 = -588
-588 ÷ 803 = -0.7322540473225405
-0.7322540473225405 x 100 = -73.23%