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
Argentina 54 Georgia 9 +3.6
Tonga 35 Namibia 21 +0.2
South Africa 46 Samoa 6 +0.2
Scotland 39 United States 16 -0.0
Ireland 44 Romania 10 -0.0
Italy 23 Canada 18 +0.0
Australia 65 Uruguay 3 -0.0
Week of 10/2100.0*Lottery seed
Namibia 16 Georgia 17 -1.1
New Zealand 43 Georgia 10 +0.9
Samoa 5 Japan 26 -0.1
Uruguay 15 Fiji 47 +0.1
South Africa 34 Scotland 16 +0.1
Canada 15 Romania 17 +0.1
South Africa 64 United States 0 -0.0
Week of 10/9100.0*Lottery seed
Samoa 33 Scotland 36 -0.2
New Zealand 47 Tonga 9 +0.1
England 60 Uruguay 3 +0.1
If winner is:HomeTieAway
Italy vs Romania+0.1-0.9+0.1
United States vs Japan-0.1+0.0+0.0

What If

100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TPW-OTLT1234567891011121314151617181920
80-00001486
Total:01486
Points
Chance Will Make Playoffs