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 10/1100.0*Lottery seed
North Harbour 32 Otago 39 -0.1
If winner is:HomeDrawAway
Northland vs Otago-0.1+0.1+0.1
Auckland vs Northland+0.1+0.1-0.1
If winner is:HomeDrawAway
Week of 10/8100.0*Lottery seed
North Harbour vs Northland+0.1+0.1-0.1

What If

100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TPW-OTLD1234567891011121314
123-000100
0-10100
Total:1288
Points
Chance Will Make Playoffs