-98.99% is the change from 495 to 5
Calculation steps:
[( 5 - 495 ) ÷ 495] x 100 = -98.99%
Formula
Percentage change = [(5 - 495) / 495] x 100
Subtract the new number by the original number
5 - 495 = -490
-490 ÷ 495 = -0.98989898989899
-0.98989898989899 x 100 = -98.99%