-17.71% is the change from 655 to 539
Calculation steps:
[( 539 - 655 ) ÷ 655] x 100 = -17.71%
Formula
Percentage change = [(539 - 655) / 655] x 100
Subtract the new number by the original number
539 - 655 = -116
-116 ÷ 655 = -0.17709923664122137
-0.17709923664122137 x 100 = -17.71%