How are these numbers calculated?

Big Games

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

Week of 4/11None
Week of 4/15100.0*Average seed
Bangu 1 Volta Redonda 1 -0.4
Flamengo 1 Vasco da Gama 3 +0.2
Fluminense 1 Botafogo 0 -0.1
If winner is:HomeDrawAway
Week of 4/25100.0*Average seed
Flamengo vs Volta Redonda-1.0+0.6+1.1
Fluminense vs Madureira-0.4+0.4+0.4
Portuguesa vs Boavista-0.2+0.3+0.3

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs123456789101112RelegationCount
241-0-0In100No1,025,799,686
220-1-0In5050No879,771,826
210-0-1In215029No1,763,120,488
Total:In40222414No3,668,692,000
Points
Chance Will Make Playoffs