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

What If

100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TPWL-OTT123456789101112131415161718192021222324252627282930
5430-002971
5320-102476
5221-007129
10-207129
5111-103250181
00-303249181
5012-00854344
01-2032444254
4902-101234927
4803-00144738
Total:442311453
Points
Chance Will Make Playoffs