-97.76% is the change from 803 to 18
Calculation steps:
[( 18 - 803 ) ÷ 803] x 100 = -97.76%
Formula
Percentage change = [(18 - 803) / 803] x 100
Subtract the new number by the original number
18 - 803 = -785
-785 ÷ 803 = -0.9775840597758406
-0.9775840597758406 x 100 = -97.76%