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
Volta Redonda 2 Nova Iguacu 1 -16.5
-0.8
Nova Iguacu 0 Portuguesa 0 -13.0
-0.4
Bangu 0 Botafogo 2 -3.5
-0.2
Botafogo 2 Fluminense 3 +2.7
+0.1
Portuguesa 2 Madureira 0 +1.8
+0.2
Boavista 1 Volta Redonda 0 +1.1
+0.1
Flamengo 2 Vasco da Gama 2 +0.8
+0.0
Resende 0 Boavista 1 -0.4
-0.0
Macae 1 Resende 2 -0.1
Vasco da Gama 1 Madureira 0 -0.1
-0.0
If winner is:HomeDrawAway
Week of 3/29100.0*Chance in playoffs100.0*Average seed
Nova Iguacu vs Vasco da Gama+21.7-11.2Out
+1.3-0.5-1.0
Resende vs Nova Iguacu-12.3-10.8+16.5
-1.0-0.4+1.1
Botafogo vs Resende-6.5+5.4+5.8
-0.1+0.2+0.0
Portuguesa vs Botafogo+6.1+5.7-6.0
+0.1+0.1-0.1
Vasco da Gama vs Boavista-2.4+2.9+1.6
-0.0+0.2-0.1
Boavista vs Portuguesa-1.1+0.9+0.9
-0.2+0.2+0.1
Volta Redonda vs Flamengo-1.3*+0.0+0.2
-0.4-0.1+0.1
Madureira vs Fluminense-1.2+0.1+0.1
-0.4+0.0+0.1
Macae vs Volta Redonda+0.2+0.2-0.2
+0.2+0.1-0.2
Madureira vs Bangu-0.1+0.1+0.1
-0.2+0.2+0.2

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs123456789101112Count
192-0-077.0%77239,643,961
171-1-08.6940475011,702,617
161-0-12.632456161017,833,203
150-2-0Out122472643,547,321
140-1-1Out52441264010,797,810
130-0-2Out21335371218,192,096
Total:14.4%1418271414102061,717,008
Points
Chance Will Make Playoffs