-16% is the change from 600 to 504
Calculation steps:
[( 504 - 600 ) ÷ 600] x 100 = -16%
Formula
Percentage change = [(504 - 600) / 600] x 100
Subtract the new number by the original number
504 - 600 = -96
-96 ÷ 600 = -0.16
-0.16 x 100 = -16%
Example