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-MG 4 Goias 1 +5.2
+0.7
Atletico-PR 6 Nautico 1 -2.8
-0.1
Sao Paulo 1 Botafogo 1 +0.7
+0.1
Ponte Preta 1 Gremio 1 -0.1
Criciuma 1 Vitoria 1 +0.1
+0.1
Week of 11/30100.0*Libertadores100.0*Average seed
Fluminense 2 Atletico-MG 2 -4.7
-0.2
Gremio 1 Goias 0 +2.8
+0.1
Coritiba 2 Botafogo 1 +1.5
+0.1
Vitoria 4 Flamengo 2 -0.2
Santos 2 Atletico-PR 1 -0.1
Criciuma 1 Sao Paulo 0 +0.0
Week of 12/7100.0*Libertadores100.0*Average seed
Goias 0 Santos 3 +14.7
-0.2
Atletico-MG 2 Vitoria 2 No
-0.8
Botafogo 3 Criciuma 0 No
-0.2
Points
Chance Will Win Championship