How are these numbers calculated?

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 10/13100.0*Lottery seed
Southampton 8 Wyandanch 42 +0.9
GSM 12 Amityville 39 +0.1
Mercy 14 Hampton Bays 7 -0.1
Mt. Sinai 38 BBP 16 +0.1
Glenn 45 Port Jefferson 8 +0.0
Week of 10/20100.0*Lottery seed
Port Jefferson 42 Southampton 13 +0.7
Glenn 41 Amityville 13 -0.2
Wyandanch 32 GSM 6 +0.1
Center Moriches 48 Hampton Bays 0 -0.1
Mercy 6 BBP 41 -0.0
If winner is:HomeTieAway
Week of 10/27100.0*Lottery seed
Southampton vs Babylon-0.3+0.2+0.2
Amityville vs Wyandanch+0.2+0.2-0.2

What If

100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L-T1234567891011121314
21-0-05050
1-1.5100
Total:2575
Games Above .500
Chance Will Make Playoffs