-8.57% is the change from 607 to 555
Calculation steps:
[( 555 - 607 ) ÷ 607] x 100 = -8.57%
Formula
Percentage change = [(555 - 607) / 607] x 100
Subtract the new number by the original number
555 - 607 = -52
-52 ÷ 607 = -0.085667215815486
-0.085667215815486 x 100 = -8.57%