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 10/27100.0*Lottery seed
Van Island 38 Portland 30 +0.6
North Star 41 North Dakota 58 -0.1
Fort Worth 37 Tampa Bay 59 -0.1
Detroit 38 Texas 52 -0.1
San Jose 54 Dallas 38 -0.1
Rocky Mountain 34 Chicago 44 -0.1
Buffalo 31 Washington 64 -0.0
Week of 11/3100.0*Lottery seed
Portland 34 San Antonio 39 +0.8
Eugene 64 North Star 39 -0.1
Detroit 72 Buffalo 42 +0.1
Los Angeles 58 Fort Worth 45 -0.1
Corpus Christi 39 Dallas 20 -0.1
Rocky Mountain 48 North Dakota 57 -0.0
Week of 11/10100.0*Lottery seed
Eugene 36 Portland 28 +1.1
D.C. 52 Fort Worth 45 -0.1
Wisconsin 48 North Star 34 -0.1
Dallas 24 Tampa Bay 63 -0.1
Games Above .500
Chance Will Make Playoffs