How are these numbers calculated?

Big Games

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

Week of 11/15100.0*Average seed
Gremio 1 Sao Caetano 2 +0.3
Gama 4 Atletico-PR 1 +0.3
Sao Caetano 2 Guarani 0 +0.2
Vasco da Gama 2 Gremio 0 +0.1
Atletico-MG 2 Palmeiras 1 -0.1
Week of 11/24None
Week of 12/1None
Points
Chance Will Make Playoffs