-50.31% is the change from 483 to 240
Calculation steps:
[( 240 - 483 ) ÷ 483] x 100 = -50.31%
Formula
Percentage change = [(240 - 483) / 483] x 100
Subtract the new number by the original number
240 - 483 = -243
-243 ÷ 483 = -0.5031055900621118
-0.5031055900621118 x 100 = -50.31%