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 +16.2
+0.7
Glenn 14 Babylon 7 +8.0
+0.1
SWR 48 Wyandanch 0 -0.6
-0.0
Southampton 6 Mt. Sinai 35 -0.2
-0.0
Week of 10/26100.0*Chance in playoffs100.0*Average seed
Wyandanch 0 Babylon 37 -5.1
-0.1
Southampton 6 BBP 40 +1.4
+0.0
GSM 0 Glenn 34 +0.1
Center Moriches 14 SWR 57 -0.1
+0.1
Mt. Sinai 35 Hampton Bays 0 -0.0
Week of 11/2100.0*Chance in playoffs100.0*Average seed
Mt. Sinai 21 BBP 0 -39.8
-0.7
Center Moriches 32 GSM 18 -2.9
-0.0
Babylon 0 SWR 49 +0.1
Games Above .500
Chance Will Make Playoffs

Lottery

We are out of the playoffs. Here are the big games and what ifs for draft seeds.
Although it might be more fun to go down swinging.

Big Games

Week of 10/19100.0*Lottery seed
BBP 14 Port Jefferson 7 -1.3
Glenn 14 Babylon 7 -0.2
Oyster Bay 37 East Rockaway 70 +0.0
VSS 14 Malverne 32 +0.0
SWR 48 Wyandanch 0 +0.0
Friends 7 Locust Valley 24 +0.0
Southampton 6 Mt. Sinai 35 +0.0
Week of 10/26100.0*Lottery seed
Center Moriches 14 SWR 57 -0.2
Wyandanch 0 Babylon 37 +0.1
Southampton 6 BBP 40 -0.1
Mt. Sinai 35 Hampton Bays 0 +0.1
West Hempstead 7 Locust Valley 40 +0.0
Carle Place 0 Island Trees 31 +0.0
Malverne 6 CSH 45 -0.0
Seaford 40 East Rockaway 8 -0.0
Week of 11/2100.0*Lottery seed
Mt. Sinai 21 BBP 0 +1.4
East Rockaway 26 Island Trees 12 +0.2
Babylon 0 SWR 49 -0.2
Center Moriches 32 GSM 18 +0.1
Locust Valley 0 Seaford 41 -0.0