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 -0.6
Parana 0 Bragantino 2 +0.2
Macae 1 Boa 1 +0.1
CRB 2 Sampaio Correa 1 -0.0
America MG 1 Ceara 1 +0.0
If winner is:HomeEmpateAway
Week of 11/28100.0*Average seed
Criciuma vs CRB+0.9+0.4-1.0
Bahia vs Atletico GO+0.3-0.0-0.4
Sampaio Correa vs Parana+0.2-0.0-0.4
Ceara vs Macae+0.2+0.2-0.3
Oeste vs Paysandu PA-0.3+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
491-0-0NoNo65332No16,914,780
470-0-1NoNo325117No11,719,458
460-1-0NoNo1645327No20,218,722
Total:NoNo303023133No48,852,960
Points
Chance Will Win Championship