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*Libetadores100.0*Average seed
Flamengo 0 Goias 0 -0.4
-0.3
Atletico-MG 0 Internacional 1 -0.1
Santo Andre 4 Avai 2 +0.1
+0.1
Corinthians 2 Nautico 3 +0.1
Vitoria 2 Barueri 1 +0.1
Week of 11/29100.0*Libetadores100.0*Average seed
Goias 4 Sao Paulo 2 +1.1
Corinthians 0 Flamengo 2 +0.2
Gremio 4 Barueri 2 -0.2
Fluminense 4 Vitoria 0 +0.1
Avai 2 Santos 2 +0.1
If winner is:HomeDrawAway
Week of 12/5100.0*Libetadores100.0*Average seed
Vitoria vs Goias-0.7-0.5+1.1
Nautico vs Avai+0.3-0.0-0.3
Flamengo vs Gremio+0.1+0.1-0.2
Atletico-MG vs Corinthians-0.2+0.1+0.2

What If

Chances based on how well the Goias finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titleLibetadores1234567891011121314151617181920Serie BCount
571-0-0NoNo364815No5,323,353
550-1-0NoNo06436No4,137,987
540-0-1NoNo3664No5,322,180
Total:NoNo13173633No14,783,520
Points
Chance Will Win Championship