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
Londrina 0 Avai 1 Yes
+0.5
Tupi 1 Nautico 4 -3.9
-0.1
Bahia 3 Bragantino 2 -3.0
-0.3
Criciuma 1 Vasco da Gama 0 +0.7
+0.2
If winner is:HomeEmpateAway
Week of 11/25100.0*Serie A100.0*Average seed
Avai vs Brasil de Pelotas+0.4-0.0-0.4
Atletico GO vs Bahia+0.2+0.2-0.4
Vasco da Gama vs Ceara-0.2+0.1+0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleSerie A1234567891011121314151617181920Serie CCount
681-0-0NoYes100No5,376,307
660-0-1NoYes6238No3,391,703
650-1-0NoYes384714No5,372,310
Total:NoYes67275No14,140,320
Points
Chance Will Win Championship