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 9/20100.0*Lottery seed
Atlanta II 5 New York II 3 +0.2
Charleston 2 Miami 0 -0.1
Charlotte 0 Miami 0 +0.1
Sacramento 3 Tacoma 3 +0.0
Portland II 2 Reno 5 -0.0
Hartford 1 Philadelphia II 1 +0.0
Week of 9/30100.0*Lottery seed
Salt Lake II 0 New Mexico 1 +1.4
Miami 4 Charleston 3 +0.4
Tacoma 1 Sacramento 0 +0.4
Indy 1 Kansas City II 2 +0.2
Tulsa 3 OKC 2 -0.1
Philadelphia II 2 Hartford 3 -0.1
Col Springs 0 El Paso 0 +0.0
Reno 2 Las Vegas 2 +0.0
Week of 10/3100.0*Lottery seed
Salt Lake II 0 El Paso 4 +0.7
Las Vegas 2 Orange County 4 -0.4
RGV 4 OKC 2 -0.3
Sacramento 4 Portland II 0 -0.1
Miami 3 Atlanta II 1 -0.1
Memphis 3 Birmingham 1 +0.1
Tacoma 1 Reno 2 -0.1
Pittsburgh 2 Philadelphia II 1 -0.0
Tulsa 2 Col Springs 0 -0.0
Points
Chance Will Make Playoffs