-17% is the change from 600 to 498
Calculation steps:
[( 498 - 600 ) ÷ 600] x 100 = -17%
Formula
Percentage change = [(498 - 600) / 600] x 100
Subtract the new number by the original number
498 - 600 = -102
-102 ÷ 600 = -0.17
-0.17 x 100 = -17%
Example