-46.37% is the change from 496 to 266
Calculation steps:
[( 266 - 496 ) ÷ 496] x 100 = -46.37%
Formula
Percentage change = [(266 - 496) / 496] x 100
Subtract the new number by the original number
266 - 496 = -230
-230 ÷ 496 = -0.4637096774193548
-0.4637096774193548 x 100 = -46.37%