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 10/11100.0*Lottery seed
Portland 4 DC United 0 -0.0
Week of 10/15100.0*Lottery seed
Los Angeles 3 Minnesota 0 -0.3
Colorado 1 Salt Lake 0 +0.3
Week of 10/22100.0*Lottery seed
Dallas 5 Los Angeles 1 +0.4
DC United 1 NY Red Bulls 2 -0.2
Seattle 3 Colorado 0 -0.0
Points
Chance Will Make Playoffs