-18.47% is the change from 498 to 406
Calculation steps:
[( 406 - 498 ) ÷ 498] x 100 = -18.47%
Formula
Percentage change = [(406 - 498) / 498] x 100
Subtract the new number by the original number
406 - 498 = -92
-92 ÷ 498 = -0.18473895582329317
-0.18473895582329317 x 100 = -18.47%