-75.2% is the change from 496 to 123
Calculation steps:
[( 123 - 496 ) ÷ 496] x 100 = -75.2%
Formula
Percentage change = [(123 - 496) / 496] x 100
Subtract the new number by the original number
123 - 496 = -373
-373 ÷ 496 = -0.7520161290322581
-0.7520161290322581 x 100 = -75.2%