How are these numbers calculated?

Big Games

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

Wednesday, 2/29100.0*Chance in playoffs100.0*Average seed
Crabs 1 Turtles 3 +8.6
+0.2
Nannies 0 Compton 2 +4.1
+0.0
Bears 0 Cats 1 -0.0
Thursday, 3/1None
Points
Chance Will Make Playoffs