How are these numbers calculated?

Big Games

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

Week of 11/17100.0*Libertadores100.0*Serie B100.0*Average seed
Internacional 1 Atletico-MG 2 No
Santos 1 Botafogo 1 -1.2
-0.1
Botafogo 1 Internacional 0 +1.0
No
+1.0
Atletico-PR 1 Corinthians 0 -0.8
-0.0
Atletico-MG 1 Bahia 0 -0.5
+0.1
Vitoria 1 Atletico-PR 2 -0.3
-0.1
Cruzeiro 3 Vitoria 0 -0.3
-0.1
Sao Paulo 1 Cruzeiro 0 +0.1
+0.0
America-MG 2 Santos 1 +0.1
Sport Recife 0 Flamengo 1 +0.0
Corinthians 1 Vasco da Gama 0 -0.1
Bahia 2 Fluminense 0 -0.1
Week of 11/25100.0*Libertadores100.0*Serie B100.0*Average seed
America-MG 1 Bahia 0 +0.2
Cruzeiro 0 Flamengo 2 +0.0
Week of 12/1100.0*Libertadores100.0*Serie B100.0*Average seed
Sport Recife 2 Santos 1 +0.7
Atletico-MG 1 Botafogo 0 -0.5
Points
Chance Will Win Championship