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
Goias 1 Santos 4 +4.4
+0.8
Botafogo 1 Internacional 2 +1.4
-0.1
Cruzeiro 3 Vasco da Gama 1 -0.4
Sao Paulo 1 Fluminense 4 +0.1
Palmeiras 0 Atletico-MG 2 +0.1
Week of 11/28100.0*Libertadores100.0*Average seed
Avai 3 Santos 2 -10.6
-0.9
Guarani 0 Gremio 3 -3.9
-0.2
Botafogo 3 Gremio Prudente 1 -3.6
-0.2
Ceara 1 Atletico-PR 1 +3.0
+0.1
Internacional 1 Vitoria 1 +0.2
+0.1
Gremio Prudente 0 Internacional 3 -0.2
Atletico-GO 1 Sao Paulo 1 +0.1
Week of 12/5100.0*Libertadores100.0*Average seed
Santos 0 Flamengo 0 -0.7
Atletico-PR 1 Avai 0 -0.2
Points
Chance Will Win Championship