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
America-MG 2 Santos 1 -3.6
-0.7
Atletico-MG 1 Bahia 0 -3.1
Vitoria 1 Atletico-PR 2 -1.5
-0.1
Internacional 1 Atletico-MG 2 No
Santos 1 Botafogo 1 No
-0.2
Sao Paulo 1 Cruzeiro 0 +0.7
+0.1
Atletico-PR 1 Corinthians 0 -0.5
+0.0
Cruzeiro 3 Vitoria 0 -0.2
-0.1
Botafogo 1 Internacional 0 -0.1
-0.2
Bahia 2 Fluminense 0 -0.1
Week of 11/25100.0*Libertadores100.0*Average seed
America-MG 1 Bahia 0 +0.2
Cruzeiro 0 Flamengo 2 +0.1
Week of 12/1100.0*Libertadores100.0*Average seed
Sport Recife 2 Santos 1 -1.0
Atletico-MG 1 Botafogo 0 +0.3
Bahia 0 Cruzeiro 0 +0.2
Points
Chance Will Win Championship