How are these numbers calculated?

Big Games

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

Week of 11/19100.0*Average seed
Brasiliense 1 Santos 0 -0.7
Botafogo 2 Cruzeiro 1 -0.2
Parana 0 Flamengo 1 +0.1
Sao Paulo 4 Figueirense 2 -0.1
Atletico-PR 2 Sao Caetano 2 +0.0
Week of 11/27100.0*Average seed
Santos 2 Botafogo 1 +1.4
Fortaleza 1 Sao Paulo 0 +0.1
Fluminense 1 Juventude 2 -0.1
Parana 2 Cruzeiro 0 -0.1
Atletico-PR 3 Paysandu 2 -0.1
Atletico-MG 0 Vasco da Gama 0 +0.0
Flamengo 0 Goias 0 +0.0
Week of 12/4100.0*Average seed
Figueirense 3 Santos 1 -0.8
Sao Paulo 3 Atletico-PR 1 +0.3
Vasco da Gama 3 Parana 1 +0.3
Botafogo 2 Fortaleza 0 -0.2
Cruzeiro 1 Sao Caetano 3 +0.2
Points
Chance Will Win Championship