How are these numbers calculated?

Big Games

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

Week of 11/18100.0*Libertadores100.0*Average seed
Sao Caetano 0 Vasco da Gama 1 -3.7
Parana 1 Internacional 0 -2.3
Cruzeiro 1 Santos 1 +1.1
-0.1
Gremio 3 Santa Cruz 1 -0.1
-0.1
Week of 11/26100.0*Libertadores100.0*Average seed
Vasco da Gama 1 Santos 1 +5.1
Sao Caetano 0 Parana 2 -2.9
Gremio 3 Flamengo 0 -0.1
Week of 12/2100.0*Libertadores100.0*Average seed
Parana 0 Sao Paulo 0 Yes
+0.1
Santos 3 Santa Cruz 1 Yes
+0.1
Points
Chance Will Win Championship