How are these numbers calculated?

Big Games

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

Week of 5/24100.0*Average seed
Cagliari Calcio 2 Inter Milan 1 -0.1
Atalanta BC 2 Palermo 2 +0.1
Sampdoria 2 Udinese 2 +0.1
Week of 5/31100.0*Average seed
Inter Milan 4 Atalanta BC 3 +0.0
Points
Chance Will Win Championship