-51.61% is the change from 496 to 240
Calculation steps:
[( 240 - 496 ) ÷ 496] x 100 = -51.61%
Formula
Percentage change = [(240 - 496) / 496] x 100
Subtract the new number by the original number
240 - 496 = -256
-256 ÷ 496 = -0.5161290322580645
-0.5161290322580645 x 100 = -51.61%