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 1/31100.0*Lottery seed
Ramaz 41 Kushner 42 -0.0
Magen David 78 SSLI 46 +0.0
Week of 2/5100.0*Lottery seed
Magen David 67 North Shore 35 +0.6
Magen David 54 YDE 43 +0.1
JEC 31 Ramaz 41 +0.0
Week of 2/12100.0*Lottery seed
Shaare T. 66 North Shore 43 +0.6
If winner is:HomeAway
Shaare T. vs Flatbush-0.3+0.1
North Shore vs Ramaz-0.1+0.1

What If

100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L123456789101112131415161718192021
51-02971
40-1100
Total:1486
Games Above .500
Chance Will Make Playoffs