-9.95% is the change from 603 to 543
Calculation steps:
[( 543 - 603 ) ÷ 603] x 100 = -9.95%
Formula
Percentage change = [(543 - 603) / 603] x 100
Subtract the new number by the original number
543 - 603 = -60
-60 ÷ 603 = -0.09950248756218906
-0.09950248756218906 x 100 = -9.95%