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*Average seed
Naval 1º de Maio 0 Braga 4 +0.2
UD Leiria 1 Sporting Lisbon 1 -0.1
Guimaraes 2 Belenenses 0 -0.1
Rio Ave 0 Maritimo 0 +0.1
CD Nacional 1 Paços Ferreira 1 +0.1
Week of 5/2100.0*Average seed
Belenenses 5 UD Leiria 2 -0.7
Sporting Lisbon 0 Naval 1º de Maio 1 -0.2
Maritimo 2 Vitoria Setubal 0 -0.2
Braga 1 Paços Ferreira 0 +0.2
Académica 3 CD Nacional 3 -0.0
Week of 5/9100.0*Average seed
Paços Ferreira 2 Olhanense 2 +0.5
Guimaraes 1 Maritimo 2 -0.1
Points
Chance Will Win Championship