How are these numbers calculated?

Big Games

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

Week of 11/13100.0*Série A100.0*Average seed
Botafogo 0 Santa Cruz 3 No
Náutico 1 CRB 1 No
Boa Esporte 3 Bahia 0 +0.1
Paysandu 3 Luverdense 2 +0.0
Oeste 1 Criciúma 1 +0.0
Week of 11/20100.0*Série A100.0*Average seed
CRB 2 Sampaio Corrêa 1 +0.6
Vitória 3 Luverdense 0 +0.2
Náutico 1 Bahia 0 +0.1
Paraná 0 Bragantino 2 +0.0
If winner is:HomeEmpateAway
Week of 11/28100.0*Série A100.0*Average seed
Criciúma vs CRB-0.7+0.0+0.7
Bahia vs Atlético-GO-0.3+0.0+0.3
Sampaio Corrêa vs Paraná-0.1-0.1+0.2
Luverdense vs Mogi Mirim-0.2+0.1+0.1

What If

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

If finish:ChanceSérieChance will finish season at seedSérie
TPW-L-Ewins titleA1234567891011121314151617181920CCount
Chance Will Win Championship