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 11/22100.0*Lottery seed
Barret 73 Brandon 95 +0.2
Bertram 101 Paul 70 -0.1
Week of 11/29100.0*Lottery seed
Barret 105 Clark 93 -0.5
Chris 113 Paul 108 -0.1
If winner is:HomeAway
Week of 12/6100.0*Lottery seed
Paul vs Kelly+0.8-0.1
Dale vs Barret+0.0-0.1

What If

100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L123456789101112
41-0100
30-19010
Total:919
Games Above .500
Chance Will Make Playoffs