-6.57% is the change from 594 to 555
Calculation steps:
[( 555 - 594 ) ÷ 594] x 100 = -6.57%
Formula
Percentage change = [(555 - 594) / 594] x 100
Subtract the new number by the original number
555 - 594 = -39
-39 ÷ 594 = -0.06565656565656566
-0.06565656565656566 x 100 = -6.57%