How are these numbers calculated?

Big Games

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

Thursday, 5/18None
Friday, 5/19100.0*Chance in playoffs100.0*Average seed
Icebears 4 Coconut Pete 2 +25.0
+1.6
Icebears 4 Pirates 4 -11.8
-0.2
Saturday, 5/20100.0*Chance in playoffs100.0*Average seed
Lavage CL 3 Icebears 7 In
+0.3
Lavage CL 6 Coconut Pete 10 -0.3
-0.0
Physio C 2 Whalers 9 -0.0
Whalers 6 Top Shelf Mofos 2 +0.0
Points
Chance Will Make Playoffs