How are these numbers calculated?

Big Games

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

Week of 11/22100.0*Libertadores100.0*Average seed
Internacional 2 Atletico-MG 1 +32.4
+0.9
Corinthians 1 Gremio 0 +3.6
-0.1
Sport Recife 2 Fluminense 2 +0.7
Santos 0 Sao Paulo 1 -0.3
-0.1
Week of 11/29100.0*Libertadores100.0*Average seed
Internacional 3 Palmeiras 1 +19.4
+0.5
Atletico-MG 1 Coritiba 2 Yes
+0.1
Fluminense 5 Corinthians 2 +1.3
+0.3
Sao Paulo 1 Figueirense 1 -0.1
Week of 12/6100.0*Libertadores100.0*Average seed
Figueirense 1 Internacional 2 +0.3
Corinthians 2 Criciuma 1 -0.3
Points
Chance Will Win Championship