How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 10/19100.0*Chance in playoffs100.0*Average seed
BBP 14 Port Jefferson 7 -2.1
-0.1
SWR 48 Wyandanch 0 +1.0
+0.0
Glenn 14 Babylon 7 +0.4
-0.1
Southampton 6 Mt. Sinai 35 -0.0
Week of 10/26100.0*Chance in playoffs100.0*Average seed
Center Moriches 14 SWR 57 In
+0.3
Southampton 6 BBP 40 -0.1
Mt. Sinai 35 Hampton Bays 0 -0.0
Wyandanch 0 Babylon 37 -0.0
Week of 11/2100.0*Chance in playoffs100.0*Average seed
Babylon 0 SWR 49 +0.3
Games Above .500
Chance Will Make Playoffs