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

Monday100.0*Lottery seed
Halifax 2 Sudbury 0 -0.5
Calgary 2 Halifax 0 +0.3
Sarnia 3 Saginaw 1 +0.1
Red Deer 2 Mississauga 1 (ot)+0.1
Swift Current 5 Medicine Hat 4 -0.1
Boisbriand 4 Sarnia 1 -0.1
Medicine Hat 2 Regina 3 -0.1
St John 1 Quebec 5 -0.1
St John 1 Vancouver 0 +0.1
Ottawa 2 Red Deer 1 -0.0
Cape Breton 1 Rouyn Noranda 3 +0.0
Rouyn Noranda 0 Lethbridge 1 -0.0
Sudbury 1 Lethbridge 2 -0.0
If winner is:HomeHome OTAway OTAway
Tuesday100.0*Lottery seed
Halifax vs Owen Sound-0.4-0.4+0.5+0.8

What If

100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TPWL-OTT123456789101112131415161718192021222324252627282930
5130-0045515
5020-1011955241
4921-0006314418
10-20054549
4811-103367
00-30100
45-47100
Total:813162043
Points
Chance Will Make Playoffs