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*Average seed
Atletico-MG 1 Bahia 0 -8.1
-0.1
Sao Paulo 1 Cruzeiro 0 -8.0
-0.4
Cruzeiro 3 Vitoria 0 +5.3
+0.6
Internacional 1 Atletico-MG 2 -4.6
-0.1
Vitoria 1 Atletico-PR 2 -2.6
-0.2
Atletico-PR 1 Corinthians 0 -1.5
-0.1
America-MG 2 Santos 1 +0.9
+0.1
Santos 1 Botafogo 1 +0.5
+0.1
Botafogo 1 Internacional 0 -0.3
-0.1
Bahia 2 Fluminense 0 -0.1
Week of 11/25100.0*Libertadores100.0*Average seed
Cruzeiro 0 Flamengo 2 No
-0.4
Atletico-PR 2 Ceara 2 +0.8
+0.1
America-MG 1 Bahia 0 +0.1
Week of 12/1100.0*Libertadores100.0*Average seed
Sport Recife 2 Santos 1 +0.3
Atletico-MG 1 Botafogo 0 +0.2
Flamengo 1 Atletico-PR 2 -0.2
Bahia 0 Cruzeiro 0 -0.2
Points
Chance Will Win Championship