How are these numbers calculated?

Big Games

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

Week of 11/17100.0*Chance wins title100.0*Libertadores100.0*Average seed
Flamengo 2 Gremio 0 No
-18.0
-0.4
Palmeiras 4 America-MG 0 No
Internacional 1 Atletico-MG 2 +3.2
+0.1
Gremio 2 Chapecoense 0 +13.6
+0.2
Botafogo 1 Internacional 0 +0.5
Sport Recife 0 Flamengo 1 -1.5
-0.1
Vasco da Gama 2 Sao Paulo 0 +21.8
+0.3
Sao Paulo 1 Cruzeiro 0 -13.8
-0.1
Week of 11/25100.0*Chance wins title100.0*Libertadores100.0*Average seed
Sao Paulo 0 Sport Recife 0 +22.1
+0.2
Vitoria 0 Gremio 0 -13.0
-0.2
Internacional 2 Fluminense 0 -1.2
-0.1
Week of 12/2100.0*Chance wins title100.0*Libertadores100.0*Average seed
Chapecoense 1 Sao Paulo 0 Yes
+0.3

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titleLibertadores1234567891011121314151617181920Serie BCount
63-66NoYes100No25,054,560*
Total:NoYes100No25,054,560

* Row combines multiple less frequent records.

Points
Chance Will Win Championship