-93.95% is the change from 496 to 30
Calculation steps:
[( 30 - 496 ) ÷ 496] x 100 = -93.95%
Formula
Percentage change = [(30 - 496) / 496] x 100
Subtract the new number by the original number
30 - 496 = -466
-466 ÷ 496 = -0.9395161290322581
-0.9395161290322581 x 100 = -93.95%