How are these numbers calculated?

Big Games

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

ThursdayNone
FridayNone
Saturday100.0*Chance in playoffs100.0*Brabham100.0*Average seed
LV 5 BAK 1 +4.7
+0.1
+0.2
LV 2 Steelheads 3 -0.2
Points
Chance Will Make Playoffs