How are these numbers calculated?

Big Games

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

Week of 11/11100.0*Chance wins title100.0*Serie A100.0*Average seed
Figueirense 1 America-MG 2 +14.6
Yes
+0.3
Internacional 1 Vila Nova 1 +6.2
+0.1
+0.1
Goias 0 Ceara 0 +1.5
+0.1
Nautico 1 Londrina 2 -0.1
Week of 11/17100.0*Chance wins title100.0*Serie A100.0*Average seed
Goias 0 Internacional 2 -6.5
-0.1
Londrina 0 America-MG 0 -2.5
-0.0
Criciuma 1 Ceara 1 +1.0
If winner is:HomeDrawAway
Week of 11/24100.0*Chance wins title100.0*Serie A100.0*Average seed
America-MG vs CRBYes-28.9-28.9
+0.2-0.3-0.3
Internacional vs Guarani-21.4YesYes
-0.2+0.2+0.2

What If

Chances based on how well the America-MG finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titleSerie A1234567891011121314151617181920Serie CCount
731-0-0YesYes100No3,380,600,469
710-1-046.5%Yes4753No1,501,522,469
700-0-146.5Yes4753No1,377,166,822
Total:75.4%Yes7525No6,259,289,760
Points
Chance Will Win Championship