How are these numbers calculated?

Big Games

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

Week of 11/29100.0*Average seed
Vasco da Gama 1 Figueirense 0 -1.0
Corinthians 1 Bahia 2 +0.2
Criciuma 0 Gremio 2 +0.2
Vitoria 1 Coritiba 0 -0.1
Fortaleza 5 Parana 3 +0.1
Internacional 3 Flamengo 1 +0.1
Goias 3 Santos 0 -0.1
Atletico-PR 3 Guarani 1 -0.0
Week of 12/6100.0*Average seed
Goias 0 Figueirense 3 +1.3
Criciuma 3 Bahia 2 -0.1
Vitoria 0 Atletico-MG 1 +0.1
Guarani 2 Paysandu 1 -0.1
Atletico-PR 2 Vasco da Gama 2 +0.0
Flamengo 1 Ponte Preta 1 +0.0
Corinthians 1 Parana 1 +0.0
Week of 12/13100.0*Average seed
Figueirense 2 Guarani 0 +1.7
Sao Paulo 1 Flamengo 3 -0.6
Parana 2 Vitoria 0 -0.3
Coritiba 2 Criciuma 0 +0.2
Points
Chance Will Win Championship