How are these numbers calculated?

Big Games

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

Week of 3/17100.0*Chance in playoffs100.0*Average seed
Madureira 0 Flamengo 2 In
+0.3
Cabofriense 2 Vasco da Gama 0 +0.8
+0.3
Fluminense 1 Botafogo 1 +0.7
+0.0
Resende 0 Vasco da Gama 2 -0.1
If winner is:HomeDrawAway
Week of 3/23100.0*Chance in playoffs100.0*Average seed
Flamengo vs Fluminense+0.7+0.2-0.8
Vasco da Gama vs Bangu-0.3+0.2+0.3

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs123456789101112SeletivaCount
271-0-0In100No1,326,521,577
250-1-0In5149No840,249,980
240-0-1In4654No1,337,261,227
Total:In502921No3,504,032,784
Points
Chance Will Make Playoffs