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
Glenn 14 Babylon 7 -14.5
-0.5
BBP 14 Port Jefferson 7 -1.2
-0.1
Southampton 6 Mt. Sinai 35 +0.2
SWR 48 Wyandanch 0 -0.0
Week of 10/26100.0*Chance in playoffs100.0*Average seed
Center Moriches 14 SWR 57 +8.7
+0.2
Wyandanch 0 Babylon 37 +7.7
+0.2
GSM 0 Glenn 34 -0.2
Southampton 6 BBP 40 -0.2
-0.0
Week of 11/2100.0*Chance in playoffs100.0*Average seed
Babylon 0 SWR 49 -0.4
Mt. Sinai 21 BBP 0 +0.3
Center Moriches 32 GSM 18 +0.0
Games Above .500
Chance Will Make Playoffs