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*Serie B100.0*Average seed
Flamengo 3 Corinthians 0 -0.1
Fluminense 2 Ponte Preta 0 +0.1
No
+1.0
Sport Recife 1 Bahia 0 +0.1
+1.8
Atletico-MG 3 Coritiba 0 -0.1
-0.4
+0.1
Atletico-PR 3 Vasco da Gama 1 +0.1
-0.1
Avai 2 Palmeiras 1 +0.9
Vitoria 1 Cruzeiro 1 -0.8
+0.0
Week of 11/25100.0*Libertadores100.0*Serie B100.0*Average seed
Fluminense 1 Sport Recife 2 No
-0.9
Week of 12/3100.0*Libertadores100.0*Serie B100.0*Average seed
Chapecoense 2 Coritiba 1 +0.1
Atletico-GO 1 Fluminense 1 +0.1
Vitoria 1 Flamengo 2 +0.1
Atletico-PR 3 Palmeiras 0 -0.1
Points
Chance Will Win Championship