How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Tuesday, 3/31100.0*Chance in playoffs100.0*Average seed
Americano 0 Flamengo 1 +18.0
+0.6
Bangu 2 Tigres do Brasil 1 -5.1
-0.2
Macae 0 Vasco da Gama 1 +4.5
+0.1
Cabofriense 2 Volta Redonda 1 +0.5
Thursday, 4/2100.0*Chance in playoffs100.0*Average seed
Botafogo 3 Madureira 2 -2.4
-0.1
Sunday, 4/5100.0*Chance in playoffs100.0*Average seed
Resende 0 Botafogo 4 -6.2
-0.2
Flamengo 1 Fluminense 1 In
+0.2
Vasco da Gama 4 Bangu 0 In
+0.1
Points
Chance Will Make Playoffs

Lottery

Why are you looking down here? We just made the playoffs!

Big Games

Tuesday, 3/31100.0*Lottery seed
Americano 0 Flamengo 1 -1.0
Bangu 2 Tigres do Brasil 1 +0.2
Macae 0 Vasco da Gama 1 -0.2
Thursday, 4/2100.0*Lottery seed
Botafogo 3 Madureira 2 +0.2
Sunday, 4/5100.0*Lottery seed
Flamengo 1 Fluminense 1 -0.4
Resende 0 Botafogo 4 +0.4
Vasco da Gama 4 Bangu 0 -0.2