-99.88% is the change from 803 to 1
Calculation steps:
[( 1 - 803 ) ÷ 803] x 100 = -99.88%
Formula
Percentage change = [(1 - 803) / 803] x 100
Subtract the new number by the original number
1 - 803 = -802
-802 ÷ 803 = -0.9987546699875467
-0.9987546699875467 x 100 = -99.88%