-2.88% is the change from 555 to 539
Calculation steps:
[( 539 - 555 ) ÷ 555] x 100 = -2.88%
Formula
Percentage change = [(539 - 555) / 555] x 100
Subtract the new number by the original number
539 - 555 = -16
-16 ÷ 555 = -0.02882882882882883
-0.02882882882882883 x 100 = -2.88%