-13.04% is the change from 483 to 420
Calculation steps:
[( 420 - 483 ) ÷ 483] x 100 = -13.04%
Formula
Percentage change = [(420 - 483) / 483] x 100
Subtract the new number by the original number
420 - 483 = -63
-63 ÷ 483 = -0.13043478260869565
-0.13043478260869565 x 100 = -13.04%