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 -3.6
-0.1
Fluminense 3 Nova Iguacu 1 -3.1
+0.0
Week of 4/15100.0*Chance in playoffs100.0*Average seed
Fluminense 1 Botafogo 0 -4.4
+0.1
Madureira 4 Macae 2 +3.1
+0.6
Flamengo 1 Vasco da Gama 3 -1.0
-0.3
Portuguesa 2 Flamengo 2 Out
Boavista 2 Vasco da Gama 2 +0.2
Nova Iguacu 4 Resende 2 -0.0
If winner is:HomeDrawAway
Week of 4/25100.0*Chance in playoffs100.0*Average seed
Fluminense vs Madureira-0.9+0.6+1.1
Resende vs Vasco da Gama+0.5+0.0-0.2
Botafogo vs Macae-0.2+0.3+0.3
Bangu vs Nova Iguacu+0.3+0.3-0.2

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
181-0-0Out100No963,701,599
160-1-0Out4555No879,800,023
150-0-1Out3214531No1,825,190,378
Total:Out39232315No3,668,692,000
Points
Chance Will Make Playoffs