How are these numbers calculated?

Big Games

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

Week of 4/23100.0*Relegated100.0*Average seed
Leixoes 1 Académica 3 No
+0.6
Vitoria Setubal 2 FC Porto 5 -1.0
+0.2
Benfica 5 Olhanense 0 -0.9
+0.2
Week of 5/2100.0*Relegated100.0*Average seed
Sporting Lisbon 0 Naval 1º de Maio 1 -0.1
Académica 3 CD Nacional 3 -0.1
Olhanense 1 Leixoes 0 -0.1
Rio Ave 0 Guimaraes 0 +0.1
Maritimo 2 Vitoria Setubal 0 -0.0
Week of 5/9100.0*Relegated100.0*Average seed
Naval 1º de Maio 0 Académica 1 +0.6
Paços Ferreira 2 Olhanense 2 +0.2
Benfica 2 Rio Ave 1 +0.1
Points
Chance Will Win Championship