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
Atletico-MG 1 Sao Paulo 1 -0.4
Internacional 1 Cruzeiro 0 +0.1
America-MG 2 Sport Recife 2 +0.1
If winner is:HomeEmpateAway
Coritiba vs Vitoria-0.2+0.2+0.1
Figueirense vs Fluminense+0.1+0.0-0.1
If winner is:HomeEmpateAway
Week of 12/4100.0*Average seed
Sao Paulo vs Santa Cruz+1.1-0.4-0.9
Ponte Preta vs Coritiba+0.2+0.1-0.3
Cruzeiro vs Corinthians-0.2+0.1+0.1
Sport Recife vs Figueirense-0.2+0.1+0.1
Vitoria vs Palmeiras-0.1+0.1+0.1
Fluminense vs Internacional-0.1+0.0+0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleG31234567891011121314151617181920Serie BCount
501-0-0NoNo1749304No2,677,684
480-0-1NoNo30655No1,710,293
470-1-0NoNo1553302No2,677,143
Total:NoNo7192437131No7,065,120
Points
Chance Will Win Championship