-97.31% is the change from 483 to 13
Calculation steps:
[( 13 - 483 ) ÷ 483] x 100 = -97.31%
Formula
Percentage change = [(13 - 483) / 483] x 100
Subtract the new number by the original number
13 - 483 = -470
-470 ÷ 483 = -0.9730848861283644
-0.9730848861283644 x 100 = -97.31%