-39.96% is the change from 498 to 299
Calculation steps:
[( 299 - 498 ) ÷ 498] x 100 = -39.96%
Formula
Percentage change = [(299 - 498) / 498] x 100
Subtract the new number by the original number
299 - 498 = -199
-199 ÷ 498 = -0.39959839357429716
-0.39959839357429716 x 100 = -39.96%