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
Nautico 1 Bahia 0 -0.9
Paysandu PA 1 Criciuma 0 -0.2
Parana 0 Bragantino 2 -0.1
Vitoria 3 Luverdense 0 +0.1
CRB 2 Sampaio Correa 1 +0.1
If winner is:HomeEmpateAway
Week of 11/28100.0*Average seed
Bahia vs Atletico GO+0.5-0.3-0.5
Criciuma vs CRB+0.3-0.0-0.2
Sampaio Correa vs Parana-0.2+0.0+0.3

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleSerie A1234567891011121314151617181920Serie CCount
581-0-0NoNo4060No21,991,254
560-0-1NoNo5941No11,721,130
550-1-0NoNo3565No15,140,576
Total:NoNo185230No48,852,960
Points
Chance Will Win Championship