-90.16% is the change from 498 to 49
Calculation steps:
[( 49 - 498 ) ÷ 498] x 100 = -90.16%
Formula
Percentage change = [(49 - 498) / 498] x 100
Subtract the new number by the original number
49 - 498 = -449
-449 ÷ 498 = -0.9016064257028112
-0.9016064257028112 x 100 = -90.16%