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 10/20100.0*Lottery seed
Detroit 45 Ohio 58 +1.0
Portland 27 Texas 56 -0.1
Tucson 44 D.C. 27 -0.1
Eugene 42 Van Island 49 -0.1
Chicago 31 Berlin 27 -0.1
Wisconsin 30 Iowa 55 +0.1
Fort Worth 31 San Antonio 40 -0.1
Week of 10/26100.0*Lottery seed
Evansville 44 Detroit 24 +1.0
D.C. 52 Ohio 59 -0.2
Van Island 32 Kansas City 24 -0.2
Seattle 69 Tucson 73 -0.2
Fort Worth 30 Baltimore 41 -0.1
Boston 42 St. Louis 37 +0.1
Berlin 33 New York 41 -0.1
Week of 11/2100.0*Lottery seed
Chicago 52 Detroit 34 +1.0
Eugene 43 Corpus Christi 28 +0.3
Seattle 66 Portland 56 +0.2
Games Above .500
Chance Will Make Playoffs