-42.03% is the change from 483 to 280
Calculation steps:
[( 280 - 483 ) ÷ 483] x 100 = -42.03%
Formula
Percentage change = [(280 - 483) / 483] x 100
Subtract the new number by the original number
280 - 483 = -203
-203 ÷ 483 = -0.42028985507246375
-0.42028985507246375 x 100 = -42.03%