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
Botafogo 1 Internacional 2 +4.4
+1.1
Goias 1 Santos 4 -0.2
-0.2
Cruzeiro 3 Vasco da Gama 1 -0.1
Sao Paulo 1 Fluminense 4 +0.1
Palmeiras 0 Atletico-MG 2 +0.1
Week of 11/28100.0*Libertadores100.0*Average seed
Internacional 1 Vitoria 1 -5.7
-0.6
Guarani 0 Gremio 3 -3.4
-0.1
Botafogo 3 Gremio Prudente 1 -2.6
-0.2
Avai 3 Santos 2 +1.5
+0.2
Ceara 1 Atletico-PR 1 +1.4
+0.1
Gremio Prudente 0 Internacional 3 +0.5
Atletico-GO 1 Sao Paulo 1 +0.1
Week of 12/5100.0*Libertadores100.0*Average seed
Atletico-PR 1 Avai 0 -0.6
Santos 0 Flamengo 0 +0.4
Points
Chance Will Win Championship