-38.51% is the change from 496 to 305
Calculation steps:
[( 305 - 496 ) ÷ 496] x 100 = -38.51%
Formula
Percentage change = [(305 - 496) / 496] x 100
Subtract the new number by the original number
305 - 496 = -191
-191 ÷ 496 = -0.3850806451612903
-0.3850806451612903 x 100 = -38.51%