How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 10/20100.0*Average seed
Eugene 42 Van Island 49 -0.6
Fort Worth 31 San Antonio 40 +0.2
Portland 27 Texas 56 +0.1
Week of 10/26100.0*Average seed
Portland 46 Eugene 38 -0.6
Van Island 32 Kansas City 24 +0.2
Fort Worth 30 Baltimore 41 +0.1
Week of 11/2100.0*Average seed
St. Louis 45 Kansas City 41 +0.5
Eugene 43 Corpus Christi 28 +0.2
Games Above .500
Chance Will Make Playoffs

Lottery

Ye of little faith, already thinking about next year. Here are the big games and what ifs for draft seeds.

Big Games

Week of 10/20100.0*Lottery seed
Eugene 42 Van Island 49 +0.9
Detroit 45 Ohio 58 -0.1
Fort Worth 31 San Antonio 40 -0.1
Tucson 44 D.C. 27 -0.1
Portland 27 Texas 56 -0.1
Week of 10/26100.0*Lottery seed
Portland 46 Eugene 38 +0.9
Evansville 44 Detroit 24 -0.2
Van Island 32 Kansas City 24 -0.1
Fort Worth 30 Baltimore 41 -0.1
Berlin 33 New York 41 -0.1
Seattle 69 Tucson 73 -0.1
San Antonio 56 Fort McMurray 43 -0.1
Week of 11/2100.0*Lottery seed
Eugene 43 Corpus Christi 28 -0.5
Chicago 52 Detroit 34 -0.5
St. Louis 45 Kansas City 41 -0.4
Tampa Bay 52 Ohio 38 -0.1
Van Island 57 San Antonio 64 -0.1
Los Angeles 40 Iowa 43 +0.1