How are these numbers calculated?

Big Games

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

Week of 4/11100.0*Chance in playoffs100.0*Average seed
Madureira 0 Boavista 0 -5.0
-0.2
Fluminense 3 Nova Iguacu 1 -4.1
+0.0
Week of 4/15100.0*Chance in playoffs100.0*Average seed
Madureira 4 Macae 2 +12.1
+1.3
Fluminense 1 Botafogo 0 -5.6
+0.1
Portuguesa 2 Flamengo 2 Out
-0.1
Flamengo 1 Vasco da Gama 3 -0.7
-0.2
Boavista 2 Vasco da Gama 2 +0.2
Nova Iguacu 4 Resende 2 +0.1
If winner is:HomeDrawAway
Week of 4/25100.0*Chance in playoffs100.0*Average seed
Fluminense vs Madureira-0.8+0.2+0.6
Resende vs Vasco da Gama+0.3-0.1-0.3
Botafogo vs Macae-0.2+0.1+0.1
Bangu vs Nova Iguacu+0.1+0.1-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs123456789101112RelegationCount
181-0-0Out100No451,782,107
160-1-0Out6238No285,016,155
150-0-1Out1542359No451,795,074
Total:Out5825133No1,188,593,336
Points
Chance Will Make Playoffs