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
Parana 0 Bragantino 2 -0.4
Paysandu PA 1 Criciuma 0 +0.2
Macae 1 Boa 1 +0.1
America MG 1 Ceara 1 +0.0
Atletico GO 3 Oeste 1 -0.0
If winner is:HomeEmpateAway
Week of 11/28100.0*Average seed
Sampaio Correa vs Parana-0.5+0.0+0.7
Criciuma vs CRB-0.3-0.1+0.4
Bahia vs Atletico GO+0.3-0.1-0.4

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleSerie A1234567891011121314151617181920Serie CCount
491-0-0NoNo100No14,568,003
470-0-1NoNo454411No11,714,967
460-1-0NoNo194932No22,569,990
Total:NoNo493317No48,852,960
Points
Chance Will Win Championship