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
Flamengo 3 Corinthians 0 -0.4
-0.1
Sport Recife 1 Bahia 0 +0.2
Atletico-PR 3 Vasco da Gama 1 +0.2
+0.1
Vitoria 1 Cruzeiro 1 +0.1
-0.2
Atletico-GO 1 Chapecoense 1 +0.1
Atletico-MG 3 Coritiba 0 -0.1
Sao Paulo 0 Botafogo 0 +0.0
Santos 1 Gremio 0 -0.2
Week of 11/25100.0*Libertadores100.0*Average seed
Palmeiras 2 Botafogo 0 +0.2
Week of 12/3100.0*Libertadores100.0*Average seed
Vitoria 1 Flamengo 2 -0.2
Botafogo 2 Cruzeiro 2 +0.2
Points
Chance Will Win Championship