How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 11/21100.0*Libertadores100.0*Average seed
Palmeiras 1 Cruzeiro 1 -0.2
-0.3
Internacional 1 Gremio 0 -0.1
Sport Recife 0 Atletico-PR 0 +0.1
Flamengo 1 Ponte Preta 1 +0.1
Figueirense 0 Chapecoense 0 +0.1
Week of 11/28100.0*Libertadores100.0*Average seed
Sao Paulo 3 Figueirense 2 No
Fluminense 1 Internacional 1 No
Avai 1 Ponte Preta 0 +0.2
Palmeiras 0 Coritiba 2 -1.3
Sport Recife 2 Corinthians 0 -0.2
Cruzeiro 3 Joinville 0 -0.2
Chapecoense 1 Goias 3 +0.1
Vasco da Gama 1 Santos 0 +0.1
Week of 12/6100.0*Libertadores100.0*Average seed
Flamengo 1 Palmeiras 2 +1.2
Ponte Preta 0 Sport Recife 1 +0.3
Santos 5 Atletico-PR 1 +0.3
Figueirense 1 Fluminense 0 +0.2
Points
Chance Will Win Championship