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
Criciuma 1 Vitoria 1 -5.0
-0.2
Atletico-PR 6 Nautico 1 -2.5
-0.1
Atletico-MG 4 Goias 1 +2.1
-0.1
Sao Paulo 1 Botafogo 1 +0.5
+0.1
Ponte Preta 1 Gremio 1 -0.1
Week of 11/30100.0*Libertadores100.0*Average seed
Vitoria 4 Flamengo 2 +9.0
+0.6
Coritiba 2 Botafogo 1 +2.8
+0.1
Gremio 1 Goias 0 +2.0
+0.1
Santos 2 Atletico-PR 1 +1.5
-0.1
Fluminense 2 Atletico-MG 2 +0.1
+0.0
Criciuma 1 Sao Paulo 0 +0.0
Week of 12/7100.0*Libertadores100.0*Average seed
Botafogo 3 Criciuma 0 -14.0
-0.3
Goias 0 Santos 3 +13.8
+0.3
Atletico-MG 2 Vitoria 2 -11.8
+0.3
Atletico-PR 5 Vasco da Gama 1 -4.8
-0.1
Points
Chance Will Win Championship