How are these numbers calculated?

Big Games

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

Week of 11/10100.0*Chance wins title100.0*Serie A100.0*Average seed
America-MG 1 Juventude 0 +15.5
+0.2
Figueirense 1 America-MG 2 +14.5
+0.5
+0.3
Oeste 0 Internacional 0 +8.4
+0.1
Internacional 1 Vila Nova 1 +6.2
+0.1
Goias 0 Ceara 0 +1.5
+0.1
Ceara 2 Paysandu 0 -1.0
Santa Cruz 0 Parana 0 +0.2
Juventude 0 Oeste 0 +0.2
+0.2
Parana 2 Luverdense 0 -0.1
-0.2
Nautico 1 Londrina 2 -0.1
Week of 11/17100.0*Chance wins title100.0*Serie A100.0*Average seed
Goias 0 Internacional 2 -6.4
-0.1
Londrina 0 America-MG 0 -2.5
-0.0
Criciuma 1 Ceara 1 +1.0
If winner is:HomeEmpateAway
Week of 11/25100.0*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-L-Ewins titleSerie A1234567891011121314151617181920Serie CCount
731-0-0YesYes100No26,741,565
710-0-146.5%Yes4753No11,873,001
700-1-046.5Yes4753No10,881,594
Total:75.4%Yes7525No49,496,160
Points
Chance Will Win Championship