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
Santos 1 Gremio 0 Yes
+0.6
Sport Recife 1 Bahia 0 +0.1
Flamengo 3 Corinthians 0 -0.1
-0.1
Atletico-PR 3 Vasco da Gama 1 +0.1
Atletico-MG 3 Coritiba 0 -0.1
Sao Paulo 0 Botafogo 0 +0.0
+0.0
Vitoria 1 Cruzeiro 1 +0.0
Avai 2 Palmeiras 1 +0.1
Week of 11/25100.0*Libertadores100.0*Average seed
Palmeiras 2 Botafogo 0 -0.3
Week of 12/3100.0*Libertadores100.0*Average seed
Atletico-MG 4 Gremio 3 +0.3
Santos 1 Avai 1 -0.2
Atletico-PR 3 Palmeiras 0 +0.1
Points
Chance Will Win Championship