How are these numbers calculated?

Big Games

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

Week of 11/29100.0*Libertadores100.0*Average seed
Ponte Preta 1 Sao Paulo 2 +3.5
+0.1
Fluminense 2 Sao Caetano 1 +2.2
+0.1
Vitoria 1 Coritiba 0 +2.0
+0.1
Internacional 3 Flamengo 1 -1.4
Juventude 1 Atletico-MG 0 +0.1
Week of 12/6None
Week of 12/13None
Points
Chance Will Win Championship