How are these numbers calculated?

Big Games

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

Week of 11/23100.0*Libertadores100.0*Average seed
Atletico-PR 6 Nautico 1 -6.3
-0.2
Sao Paulo 1 Botafogo 1 -5.4
-0.2
Atletico-MG 4 Goias 1 +3.9
+0.1
Criciuma 1 Vitoria 1 +1.5
+0.1
Ponte Preta 1 Gremio 1 -0.3
Week of 11/30100.0*Libertadores100.0*Average seed
Coritiba 2 Botafogo 1 -27.4
-0.7
Gremio 1 Goias 0 +7.6
+0.1
Santos 2 Atletico-PR 1 +3.6
+0.2
Vitoria 4 Flamengo 2 -3.5
-0.2
Fluminense 2 Atletico-MG 2 +1.9
+0.1
Week of 12/7100.0*Libertadores100.0*Average seed
Botafogo 3 Criciuma 0 +43.9
+1.1
Goias 0 Santos 3 +13.0
+0.3
Atletico-MG 2 Vitoria 2 +8.6
+0.3
Atletico-PR 5 Vasco da Gama 1 -5.0
-0.1
Points
Chance Will Win Championship