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 -16.7
-0.2
Figueirense 1 America-MG 2 -14.5
-0.2
Oeste 0 Internacional 0 -7.8
Yes
-0.1
Internacional 1 Vila Nova 1 -5.3
+0.2
-0.1
Goias 0 Ceara 0 +1.8
+0.1
+0.1
Ceara 2 Paysandu 0 -1.0
-0.2
-0.1
Parana 2 Luverdense 0 -0.5
-0.3
Santa Cruz 0 Parana 0 +0.4
+0.1
+0.0
Juventude 0 Oeste 0 +0.2
+0.1
Londrina 1 Guarani 0 -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 +9.8
+0.3
Londrina 0 America-MG 0 +1.1
Criciuma 1 Ceara 1 +0.4
+0.1
CRB 0 Parana 1 -0.1
If winner is:HomeEmpateAway
Week of 11/25100.0*Chance wins title100.0*Serie A100.0*Average seed
Internacional vs Guarani+38.4NoNo
+0.4-0.2-0.2
America-MG vs CRBNo+14.4+14.4
-0.2+0.1+0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleSerie A1234567891011121314151617181920Serie CCount
711-0-062.0%Yes6238No6,353,112
68-69NoYes100No10,360,008*
Total:23.6%Yes2476No16,713,120

* Row combines multiple less frequent records.

Points
Chance Will Win Championship