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 +8.8
+0.4
Atletico-MG 4 Goias 1 +3.0
+0.1
Criciuma 1 Vitoria 1 +0.8
+0.0
Ponte Preta 1 Gremio 1 +0.6
+0.1
Sao Paulo 1 Botafogo 1 +0.0
Week of 11/30100.0*Libertadores100.0*Average seed
Santos 2 Atletico-PR 1 -4.6
-0.5
Coritiba 2 Botafogo 1 +2.6
+0.1
Gremio 1 Goias 0 +0.7
-0.1
Fluminense 2 Atletico-MG 2 +0.5
Vitoria 4 Flamengo 2 -0.2
Week of 12/7100.0*Libertadores100.0*Average seed
Atletico-PR 5 Vasco da Gama 1 Yes
+0.4
Goias 0 Santos 3 +4.5
+0.1
Botafogo 3 Criciuma 0 -3.7
-0.1
Atletico-MG 2 Vitoria 2 +0.9
+0.0
Portuguesa 0 Gremio 0 -0.2
Points
Chance Will Win Championship