How are these numbers calculated?

Big Games

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

Week of 11/18100.0*Serie A100.0*Average seed
Tupi 1 Nautico 4 +18.9
+0.6
Bahia 3 Bragantino 2 -8.7
-0.1
Criciuma 1 Vasco da Gama 0 +2.3
+0.1
Brasil de Pelotas 1 CRB 0 +0.4
+0.1
Londrina 0 Avai 1 -0.1
+0.1
If winner is:HomeEmpateAway
Week of 11/25100.0*Serie A100.0*Average seed
Nautico vs Oeste+36.0NoNo
+0.5-0.5-0.5
Vasco da Gama vs Ceara-15.8+12.7+12.6
-0.3+0.2+0.2
Atletico GO vs Bahia+12.6-10.7-10.7
+0.3-0.2-0.2

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleSerie A1234567891011121314151617181920Serie CCount
631-0-0No75.9%255024No23,300,232
60-61NoNo100No21,050,328*
Total:No39.9%132760No44,350,560

* Row combines multiple less frequent records.

Points
Chance Will Win Championship