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
Wales 23 Fiji 13 +0.2
Argentina 54 Georgia 9 +0.1
South Africa 46 Samoa 6 +0.1
Scotland 39 United States 16 -0.1
Ireland 44 Romania 10 -0.1
Italy 23 Canada 18 -0.0
France 41 Canada 18 -0.0
Australia 65 Uruguay 3 -0.0
Week of 10/2100.0*Lottery seed
Uruguay 15 Fiji 47 -2.3
Namibia 16 Georgia 17 +0.1
Samoa 5 Japan 26 -0.1
South Africa 64 United States 0 -0.0
Week of 10/9100.0*Lottery seed
Samoa 33 Scotland 36 -0.4
If winner is:HomeTieAway
Italy vs Romania-0.1+0.9-0.1
Argentina vs Namibia-0.0-0.0+0.2

What If

100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TPW-OTLT1234567891011121314151617181920
40-00085140
Total:85140
Points
Chance Will Make Playoffs