How are these numbers calculated?

Big Games

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

Week of 10/23100.0*Average seed
Botafogo-SP 2 Internacional 1 -1.1
Juventude 2 Vasco da Gama 1 -0.1
Parana 4 Atletico-MG 1 -0.1
Portuguesa 2 Flamengo 3 +0.1
Ponte Preta 2 Portuguesa 1 +0.1
Vitoria 2 Parana 0 +0.0
Gremio 2 Sport Recife 1 +0.0
Week of 10/30100.0*Average seed
Parana 1 Internacional 0 -1.1
Botafogo 3 Gama 1 -0.2
Gremio 0 Corinthians 3 +0.1
Cruzeiro 2 Botafogo-SP 1 +0.1
Parana 1 Sao Paulo 2 +0.0
Sport Recife 0 Juventude 1 -0.0
Week of 11/7100.0*Average seed
Internacional 1 Palmeiras 0 +1.6
Juventude 3 Flamengo 1 -0.3
Atletico-MG 2 Gremio 0 +0.2
Botafogo 1 Guarani 0 -0.2
Vasco da Gama 1 Botafogo-SP 1 +0.2
Portuguesa 2 Parana 2 +0.1
Gama 2 Portuguesa 1 -0.1
Cruzeiro 5 Parana 2 +0.0
Sport Recife 1 Vitoria 1 +0.0
Coritiba 1 Juventude 1 -0.0
Points
Chance Will Make Playoffs