-7.96% is the change from 603 to 555
Calculation steps:
[( 555 - 603 ) ÷ 603] x 100 = -7.96%
Formula
Percentage change = [(555 - 603) / 603] x 100
Subtract the new number by the original number
555 - 603 = -48
-48 ÷ 603 = -0.07960199004975124
-0.07960199004975124 x 100 = -7.96%