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*Libertadores100.0*Average seed
Fortaleza 5 Fluminense 1 +0.6
Botafogo 2 Cruzeiro 1 No
-0.5
Ponte Preta 2 Palmeiras 6 -0.2
-0.1
Parana 0 Flamengo 1 +0.1
Brasiliense 1 Santos 0 +0.1
Atletico-PR 2 Sao Caetano 2 +0.1
Week of 11/27100.0*Libertadores100.0*Average seed
Parana 2 Cruzeiro 0 -0.7
Atletico-PR 3 Paysandu 2 -0.2
Fortaleza 1 Sao Paulo 0 +0.0
Santos 2 Botafogo 1 -0.0
Week of 12/4100.0*Libertadores100.0*Average seed
Cruzeiro 1 Sao Caetano 3 -0.7
Figueirense 3 Santos 1 +0.2
Vasco da Gama 3 Parana 1 +0.2
Sao Paulo 3 Atletico-PR 1 +0.2
Points
Chance Will Win Championship