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
Internacional 1 Gremio 0 +10.6
+1.0
Coritiba 1 Santos 0 +2.9
+0.2
Corinthians 6 Sao Paulo 1 +2.5
+0.1
Sport Recife 0 Atletico-PR 0 +0.2
+0.1
Palmeiras 1 Cruzeiro 1 +0.1
+0.1
Flamengo 1 Ponte Preta 1 +0.1
Week of 11/28100.0*Libertadores100.0*Average seed
Sao Paulo 3 Figueirense 2 -14.0
-0.2
Fluminense 1 Internacional 1 -11.2
-0.3
Vasco da Gama 1 Santos 0 +2.7
+0.2
Sport Recife 2 Corinthians 0 -0.2
Cruzeiro 3 Joinville 0 -0.2
Week of 12/6100.0*Libertadores100.0*Average seed
Internacional 2 Cruzeiro 0 +18.8
+1.0
Goias 0 Sao Paulo 1 No
-0.1
Ponte Preta 0 Sport Recife 1 -0.4
Santos 5 Atletico-PR 1 -0.3
Points
Chance Will Win Championship