How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 5/16100.0*Relegated100.0*Average seed
Trofense 1 FC Porto 4 +13.2
-0.3
Vitoria Setubal 0 Leixoes 1 -12.5
+0.1
Belenenses 1 Rio Ave 0 -0.7
-0.2
CD Nacional 1 Paços Ferreira 0 -0.5
Braga 1 Benfica 3 -0.2
Estrela Amadora 1 Guimaraes 0 -0.2
Académica 3 Naval 1º de Maio 1 *-0.1
Week of 5/23100.0*Relegated100.0*Average seed
Paços Ferreira 1 Trofense 0 Yes
-0.5
Naval 1º de Maio 2 Vitoria Setubal 2 -3.1
+0.0
Benfica 3 Belenenses 1 -0.7
+0.1
Guimaraes 3 Académica 2 -0.2
Leixoes 1 Maritimo 0 -0.1

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

Points
Chance Will Win Championship