-17.84% is the change from 656 to 539
Calculation steps:
[( 539 - 656 ) ÷ 656] x 100 = -17.84%
Formula
Percentage change = [(539 - 656) / 656] x 100
Subtract the new number by the original number
539 - 656 = -117
-117 ÷ 656 = -0.17835365853658536
-0.17835365853658536 x 100 = -17.84%