-43.78% is the change from 498 to 280
Calculation steps:
[( 280 - 498 ) ÷ 498] x 100 = -43.78%
Formula
Percentage change = [(280 - 498) / 498] x 100
Subtract the new number by the original number
280 - 498 = -218
-218 ÷ 498 = -0.43775100401606426
-0.43775100401606426 x 100 = -43.78%