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
Sao Paulo 3 America-MG 1 +6.1
+1.1
Figueirense 0 Fluminense 4 +1.3
+0.1
Atletico-GO 0 Flamengo 0 +0.3
Botafogo 1 Internacional 2 +0.2
-0.0
Coritiba 1 Santos 0 -0.1
Vasco da Gama 2 Avai 0 -0.1
Gremio 1 Ceara 3 +0.0
Week of 11/27100.0*Libertadores100.0*Average seed
Palmeiras 1 Sao Paulo 0 -11.1
-1.1
Figueirense 0 Corinthians 1 +3.1
+0.2
Flamengo 1 Internacional 0 -1.8
-0.1
Coritiba 1 Avai 0 -1.0
-0.3
Atletico-MG 4 Botafogo 0 +0.8
+0.2
Week of 12/4100.0*Libertadores100.0*Average seed
Sao Paulo 4 Santos 1 +1.8
Internacional 1 Gremio 0 -0.3
Atletico-PR 1 Coritiba 0 +0.1
Botafogo 1 Fluminense 1 -0.0
Avai 1 Figueirense 1 +0.0
Points
Chance Will Win Championship