How are these numbers calculated?

Big Games

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

Week of 11/19100.0*Serie B100.0*Average seed
Sport Recife 1 Bahia 0 +3.3
-0.2
Atletico-MG 3 Coritiba 0 -1.5
+0.1
Vitoria 1 Cruzeiro 1 -1.4
+0.0
Atletico-GO 1 Chapecoense 1 -0.2
Sao Paulo 0 Botafogo 0 +0.2
Atletico-PR 3 Vasco da Gama 1 +0.1
Week of 11/25100.0*Serie B100.0*Average seed
Ponte Preta 2 Vitoria 3 Yes
-0.9
Fluminense 1 Sport Recife 2 +5.9
-0.2
Avai 1 Atletico-PR 0 +2.7
-0.2
Coritiba 1 Sao Paulo 2 -2.1
+0.1
Gremio 1 Atletico-GO 1 +0.0
If winner is:HomeDrawAway
Week of 12/3100.0*Serie B100.0*Average seed
Vasco da Gama vs Ponte Preta-0.3-0.3+0.5
Santos vs Avai+0.2-0.1-0.1
Sport Recife vs Corinthians-0.1-0.1+0.2

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titleLibertadores1234567891011121314151617181920Serie BCount
421-0-0NoNo144739Yes6,334,966
39-40NoNo100Yes10,378,154*
Total:NoNo51877Yes16,713,120

* Row combines multiple less frequent records.

Points
Chance Will Win Championship