How are these numbers calculated?

Big Games

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

Week of 11/21100.0*Serie B100.0*Average seed
Coritiba 1 Santos 0 +0.5
Fluminense 3 Avaí 1 No
+0.6
Figueirense 0 Chapecoense 0 -0.1
+0.1
Week of 11/28100.0*Serie B100.0*Average seed
Fluminense 1 Internacional 1 -0.3
Chapecoense 1 Goiás 3 +0.3
Palmeiras 0 Coritiba 2 +0.1
Atlético-PR 3 Flamengo 0 -0.1
If winner is:HomeEmpateAway
Week of 12/6100.0*Serie B100.0*Average seed
Figueirense vs Fluminense-0.7-0.4+0.9
Atlético-MG vs Chapecoense+0.3-0.1-0.3
Flamengo vs Palmeiras+0.0-0.1+0.0

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleLibertadores1234567891011121314151617181920Serie BCount
501-0-0NoNo955No5,363,619
480-0-1NoNo6238No3,419,867
470-1-0NoNo3862No5,356,834
Total:NoNo363133No14,140,320
Points
Chance Will Win Championship