How are these numbers calculated?

Big Games

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

Week of 3/22100.0*Chance in playoffs100.0*Average seed
Vasco da Gama 1 Madureira 0 -11.7
-0.8
Portuguesa 2 Madureira 0 -6.1
-1.2
Nova Iguacu 0 Portuguesa 0 +3.9
+0.1
Volta Redonda 2 Nova Iguacu 1 +2.6
-0.0
Boavista 1 Volta Redonda 0 +0.7
+0.1
Botafogo 2 Fluminense 3 +0.7
+0.1
Bangu 0 Botafogo 2 -0.3
-0.1
Flamengo 2 Vasco da Gama 2 -0.3
-0.0
Macae 1 Resende 2 -0.1
-0.1
Flamengo 3 Bangu 0 +0.0
Resende 0 Boavista 1 -0.0
If winner is:HomeDrawAway
Week of 3/29100.0*Chance in playoffs100.0*Average seed
Madureira vs Fluminense+4.0OutOut
+1.9+0.4-0.4
Vasco da Gama vs BoavistaOut+0.5+0.3
+0.2-0.0-0.2
Nova Iguacu vs Vasco da Gama+0.1+0.5Out
-0.2+0.0+0.1
Madureira vs Bangu+0.4OutOut
+0.9-0.5-1.5
Botafogo vs Resende-0.3+0.1+0.4
+0.1+0.0-0.1
Portuguesa vs Botafogo+0.4+0.1-0.2
-0.2+0.1+0.1
Resende vs Nova Iguacu+0.1+0.1-0.2
-0.0+0.1-0.0
Volta Redonda vs Flamengo-0.2+0.0+0.0
-0.3-0.0+0.1
Boavista vs Portuguesa-0.1+0.1+0.1
-0.1+0.2+0.0
Macae vs Volta Redonda+0.3+0.2-0.2
Bangu vs Macae-0.1+0.1+0.1

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-Lplayoffs123456789101112Count
172-0-08.4%83943903,090,816
151-1-0Out323442649,100,225
141-0-1Out052743231022,663,195
130-2-0Out073451703,549,829
120-1-1Out0850337013,401,225
110-0-2Out16413499,911,718
Total:0.4%027172426157261,717,008
Points
Chance Will Make Playoffs