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
Italy 23 Canada 18 +2.2
France 41 Canada 18 +0.2
Argentina 54 Georgia 9 +0.2
South Africa 46 Samoa 6 +0.2
Scotland 39 United States 16 -0.1
Australia 65 Uruguay 3 -0.1
Wales 23 Fiji 13 -0.1
Ireland 44 Romania 10 -0.0
Tonga 35 Namibia 21 -0.0
Week of 10/2100.0*Lottery seed
Canada 15 Romania 17 +1.4
Namibia 16 Georgia 17 -0.2
South Africa 64 United States 0 -0.2
Samoa 5 Japan 26 -0.1
Uruguay 15 Fiji 47 -0.0
Week of 10/9100.0*Lottery seed
England 60 Uruguay 3 -0.1
If winner is:HomeTieAway
Argentina vs Namibia-0.2+0.8+0.8
United States vs Japan+0.9-0.1-0.1

What If

100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TPW-OTLT1234567891011121314151617181920
00-00077221
Total:77221
Points
Chance Will Make Playoffs