How are these numbers calculated?

Big Games

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

Week of 11/26100.0*Average seed
America-MG 2 Sport Recife 2 -0.1
If winner is:HomeEmpateAway
Santa Cruz vs Gremio-0.2+0.0+0.2
If winner is:HomeEmpateAway
Week of 12/4100.0*Average seed
Santos vs America-MG-0.2-0.1+0.2
Sao Paulo vs Santa Cruz+0.2+0.0-0.2

What If

Chances based on how well the America-MG finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleG31234567891011121314151617181920Serie BCount
311-0-0NoNo4555Yes2,677,114
290-0-1NoNo1783Yes1,711,758
280-1-0NoNo397Yes2,676,248
Total:NoNo2278Yes7,065,120
Points
Chance Will Win Championship