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
Fluminense 3 Nova Iguacu 1 -0.7
+0.0
Madureira 0 Boavista 0 +0.1
Week of 4/15100.0*Chance in playoffs100.0*Average seed
Fluminense 1 Botafogo 0 -0.2
+0.1
Madureira 4 Macae 2 -0.1
-0.1
Portuguesa 2 Flamengo 2 Out
Nova Iguacu 4 Resende 2 -0.9
Flamengo 1 Vasco da Gama 3 -0.2
Boavista 2 Vasco da Gama 2 +0.2
If winner is:HomeDrawAway
Week of 4/25100.0*Chance in playoffs100.0*Average seed
Resende vs Vasco da Gama+1.6-0.2-0.6
Portuguesa vs Boavista+0.3-0.3-0.5
Botafogo vs Macae-0.1+0.1+0.4
Bangu vs Nova Iguacu+0.2+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs123456789101112RelegationCount
141-0-0Out144739No785,940,611
120-1-0Out0117415No879,833,294
110-0-1Out5842No2,002,918,095
Total:Out310115026No3,668,692,000
Points
Chance Will Make Playoffs