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

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
521-0-0NoNo100No16,578,935
500-0-1NoNo4852No10,637,609
490-1-0NoNo4852No17,134,016
Total:NoNo6733No44,350,560
Points
Chance Will Win Championship