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 9/25100.0*Lottery seed
England 25 Wales 28 +3.1
South Africa 46 Samoa 6 -0.1
Argentina 54 Georgia 9 -0.1
Scotland 39 United States 16 +0.1
Ireland 44 Romania 10 +0.1
Australia 65 Uruguay 3 +0.0
France 41 Canada 18 +0.0
Wales 23 Fiji 13 +0.0
Week of 10/2100.0*Lottery seed
England 13 Australia 33 +1.2
South Africa 34 Scotland 16 +0.2
Samoa 5 Japan 26 +0.2
New Zealand 43 Georgia 10 -0.1
Week of 10/9100.0*Lottery seed
England 60 Uruguay 3 -0.2
Samoa 33 Scotland 36 +0.1
New Zealand 47 Tonga 9 -0.0
If winner is:HomeTieAway
United States vs Japan-0.8-0.8+0.2
Argentina vs Namibia+0.1+0.1-0.9

What If

100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TPW-OTLT1234567891011121314151617181920
80-00012277
Total:12277
Points
Chance Will Make Playoffs