-10.04% is the change from 498 to 448
Calculation steps:
[( 448 - 498 ) ÷ 498] x 100 = -10.04%
Formula
Percentage change = [(448 - 498) / 498] x 100
Subtract the new number by the original number
448 - 498 = -50
-50 ÷ 498 = -0.10040160642570281
-0.10040160642570281 x 100 = -10.04%