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
Flamengo 3 Bangu 0 -0.1
-0.2
Boavista 1 Volta Redonda 0 -0.1
Bangu 0 Botafogo 2 Out
-0.5
Flamengo 2 Vasco da Gama 2 Out
Volta Redonda 2 Nova Iguacu 1 -0.1
Macae 1 Resende 2 -0.1
Portuguesa 2 Madureira 0 -0.2
Fluminense 3 Macae 0 +0.0
If winner is:HomeDrawAway
Week of 3/29100.0*Chance in playoffs100.0*Average seed
Madureira vs Bangu-0.4-0.2+1.0
Bangu vs Macae+0.6-0.2-0.5
Resende vs Nova Iguacu-0.2-0.0+0.2
Botafogo vs Resende+0.1-0.0-0.2
Portuguesa vs Botafogo-0.1-0.1+0.1
Macae vs Volta Redonda-0.2+0.0+0.0
Boavista vs Portuguesa+0.1-0.0-0.1
Madureira vs Fluminense-0.1-0.0+0.0

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs123456789101112Count
122-0-0Out1124631916,112,735
101-1-0Out1547389,626,829
91-0-1Out3306618,315,156
80-2-0Out1003,549,447
70-1-1Out91912,869,077
60-0-2Out792111,243,764
Total:Out01561765661,717,008
Points
Chance Will Make Playoffs