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
Tucson 44 D.C. 27 +0.6
Detroit 45 Ohio 58 -0.2
Portland 27 Texas 56 -0.1
Chicago 31 Berlin 27 -0.1
Los Angeles 45 Boston 52 -0.0
Vicenza 40 Corpus Christi 36 -0.0
Wisconsin 30 Iowa 55 +0.0
Week of 10/26100.0*Lottery seed
D.C. 52 Ohio 59 +0.8
Berlin 33 New York 41 -0.2
Van Island 32 Kansas City 24 -0.2
Portland 46 Eugene 38 +0.1
Evansville 44 Detroit 24 -0.1
Seattle 69 Tucson 73 -0.1
Week of 11/2100.0*Lottery seed
Boston 40 D.C. 35 +0.6
Chicago 52 Detroit 34 -0.3
St. Louis 45 Kansas City 41 -0.2
Vicenza 37 Berlin 32 -0.1
Games Above .500
Chance Will Make Playoffs