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
Vila Nova 2 Paysandu 2 -0.3
Criciuma 1 Vasco da Gama 0 -0.1
Brasil de Pelotas 1 CRB 0 -0.1
Luverdense 1 Goias 0 +0.1
If winner is:HomeEmpateAway
Goias vs Sampaio Correa-0.4+0.2+0.2
If winner is:HomeEmpateAway
Week of 11/25100.0*Average seed
Paysandu vs Criciuma+0.2-0.1-0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleSerie A1234567891011121314151617181920Serie CCount
521-0-0NoNo100No5,375,400
500-0-1NoNo6238No3,391,609
490-1-0NoNo6238No5,373,311
Total:NoNo7624No14,140,320
Points
Chance Will Win Championship