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 +4.0
+0.5
Cruzeiro 1 Santos 1 -1.0
Parana 1 Internacional 0 -0.2
-0.2
Gremio 3 Santa Cruz 1 -0.1
Flamengo 0 Figueirense 2 -0.1
Botafogo 2 Goias 2 +0.1
Week of 11/26100.0*Libertadores100.0*Average seed
Vasco da Gama 1 Santos 1 No
-0.1
Sao Caetano 0 Parana 2 -0.2
-0.2
Atletico-PR 1 Figueirense 4 -0.1
Week of 12/2100.0*Libertadores100.0*Average seed
Parana 0 Sao Paulo 0 +0.1
Figueirense 0 Vasco da Gama 0 +0.1
Points
Chance Will Win Championship