-96.27% is the change from 483 to 18
Calculation steps:
[( 18 - 483 ) ÷ 483] x 100 = -96.27%
Formula
Percentage change = [(18 - 483) / 483] x 100
Subtract the new number by the original number
18 - 483 = -465
-465 ÷ 483 = -0.9627329192546584
-0.9627329192546584 x 100 = -96.27%