How are these numbers calculated?

Big Games

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

Week of 11/21100.0*Libetadores100.0*Average seed
Atletico-MG 0 Internacional 1 No
Santo Andre 4 Avai 2 +0.2
Flamengo 0 Goias 0 +0.1
Corinthians 2 Nautico 3 +0.2
Vitoria 2 Barueri 1 +0.1
Week of 11/29100.0*Libetadores100.0*Average seed
Gremio 4 Barueri 2 +0.8
Goias 4 Sao Paulo 2 -0.3
Avai 2 Santos 2 +0.1
Corinthians 0 Flamengo 2 +0.1
Fluminense 4 Vitoria 0 +0.0
Week of 12/5100.0*Libetadores100.0*Average seed
Flamengo 2 Gremio 1 -0.7
Nautico 0 Avai 1 -0.4
Vitoria 2 Goias 2 +0.3
Atletico-MG 0 Corinthians 3 +0.1
Points
Chance Will Win Championship