-90.96% is the change from 498 to 45
Calculation steps:
[( 45 - 498 ) ÷ 498] x 100 = -90.96%
Formula
Percentage change = [(45 - 498) / 498] x 100
Subtract the new number by the original number
45 - 498 = -453
-453 ÷ 498 = -0.9096385542168675
-0.9096385542168675 x 100 = -90.96%