-33.73% is the change from 498 to 330
Calculation steps:
[( 330 - 498 ) ÷ 498] x 100 = -33.73%
Formula
Percentage change = [(330 - 498) / 498] x 100
Subtract the new number by the original number
330 - 498 = -168
-168 ÷ 498 = -0.3373493975903614
-0.3373493975903614 x 100 = -33.73%