-93.75% is the change from 496 to 31
Calculation steps:
[( 31 - 496 ) ÷ 496] x 100 = -93.75%
Formula
Percentage change = [(31 - 496) / 496] x 100
Subtract the new number by the original number
31 - 496 = -465
-465 ÷ 496 = -0.9375
-0.9375 x 100 = -93.75%