-95.97% is the change from 496 to 20
Calculation steps:
[( 20 - 496 ) ÷ 496] x 100 = -95.97%
Formula
Percentage change = [(20 - 496) / 496] x 100
Subtract the new number by the original number
20 - 496 = -476
-476 ÷ 496 = -0.9596774193548387
-0.9596774193548387 x 100 = -95.97%