How are these numbers calculated?

Big Games

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

Sunday, 2/6100.0*Chance in playoffs100.0*Average seed
Volta Redonda 2 America 0 +0.1
Saturday, 2/12None
Sunday, 2/13100.0*Chance in playoffs100.0*Average seed
Nova Iguacu 3 Boavista 5 +21.1
+0.9
Flamengo 1 Resende 0 +13.2
+0.1
Points
Chance Will Make Playoffs

Lottery

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

Big Games

Sunday, 2/6100.0*Lottery seed
Volta Redonda 2 America 0 -0.1
Saturday, 2/12None
Sunday, 2/13100.0*Lottery seed
Nova Iguacu 3 Boavista 5 -1.6
Cabofriense 2 Duque de Caxias 0 -0.3
Olaria 1 Bangu 0 -0.3
Flamengo 1 Resende 0 -0.1