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
Sarnia 3 Saginaw 1 -0.9
Boisbriand 4 Sarnia 1 +0.6
Red Deer 2 Mississauga 1 (ot)+0.1
Swift Current 5 Medicine Hat 4 -0.1
Medicine Hat 2 Regina 3 -0.1
Halifax 2 Sudbury 0 +0.1
St John 1 Quebec 5 -0.1
Calgary 2 Halifax 0 -0.1
Cape Breton 1 Rouyn Noranda 3 +0.1
Ottawa 2 Red Deer 1 -0.1
Rouyn Noranda 0 Lethbridge 1 -0.1
St John 1 Vancouver 0 +0.1
Erie 3 London 2 (ot)+0.1
Vancouver 0 Erie 1 +0.0
If winner is:HomeHome OTAway OTAway
Tuesday100.0*Lottery seed
Halifax vs Owen Sound+0.1+0.1-0.0-0.3

What If

100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TPWL-OTT123456789101112131415161718192021222324252627282930
5010-0011047376
4900-10055046
4801-003268
Total:06263632
Points
Chance Will Make Playoffs