How are these numbers calculated?

Big Games

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

Week of 11/21100.0*Average seed
Paysandu PA 1 Criciuma 0 -0.7
Parana 0 Bragantino 2 +0.2
CRB 2 Sampaio Correa 1 -0.1
America MG 1 Ceara 1 +0.0
Atletico GO 3 Oeste 1 -0.0
Macae 1 Boa 1 +0.0
If winner is:HomeEmpateAway
Week of 11/28100.0*Average seed
Criciuma vs CRB+0.9+0.4-1.1
Bahia vs Atletico GO+0.3+0.0-0.3
Sampaio Correa vs Parana+0.3+0.1-0.3
Ceara vs Macae+0.1+0.1-0.2
Oeste vs Paysandu PA-0.2+0.1+0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleSerie A1234567891011121314151617181920Serie CCount
491-0-0NoNo55414No6,350,231
470-0-1NoNo245324No4,010,215
460-1-0NoNo10413811No6,352,674
Total:NoNo273223154No16,713,120
Points
Chance Will Win Championship