-1.61% is the change from 498 to 490
Calculation steps:
[( 490 - 498 ) ÷ 498] x 100 = -1.61%
Formula
Percentage change = [(490 - 498) / 498] x 100
Subtract the new number by the original number
490 - 498 = -8
-8 ÷ 498 = -0.01606425702811245
-0.01606425702811245 x 100 = -1.61%