-40.99% is the change from 483 to 285
Calculation steps:
[( 285 - 483 ) ÷ 483] x 100 = -40.99%
Formula
Percentage change = [(285 - 483) / 483] x 100
Subtract the new number by the original number
285 - 483 = -198
-198 ÷ 483 = -0.40993788819875776
-0.40993788819875776 x 100 = -40.99%