-50.21% is the change from 482 to 240
Calculation steps:
[( 240 - 482 ) ÷ 482] x 100 = -50.21%
Formula
Percentage change = [(240 - 482) / 482] x 100
Subtract the new number by the original number
240 - 482 = -242
-242 ÷ 482 = -0.5020746887966805
-0.5020746887966805 x 100 = -50.21%