How are these numbers calculated?

Big Games

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

Week of 11/18100.0*Average seed
Criciuma 1 Vasco da Gama 0 -0.2
Vila Nova 2 Paysandu 2 -0.2
Luverdense 1 Goias 0 -0.2
Ceara 1 Parana 1 +0.1
If winner is:HomeEmpateAway
Week of 11/25100.0*Average seed
Joinville vs Vila Nova-1.4-0.4+1.7
Avai vs Brasil de Pelotas+0.3-0.1-0.3
Paysandu vs Criciuma+0.3+0.0-0.3
Vasco da Gama vs Ceara+0.3+0.1-0.3
CRB vs Luverdense-0.1+0.3-0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleSerie A1234567891011121314151617181920Serie CCount
561-0-0NoNo1351324No5,373,924
540-0-1NoNo1542359No3,392,812
530-1-0NoNo104446No5,373,584
Total:NoNo51916152520No14,140,320
Points
Chance Will Win Championship