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
Manawatu 10 Taranaki 44 +0.6
North Harbour 32 Otago 39 -0.1
Waikato 9 Counties Manukau 30 -0.1
If winner is:HomeDrawAway
Southland vs Hawke’s Bay+0.2+0.2-0.3
If winner is:HomeDrawAway
Week of 10/8100.0*Lottery seed
Wellington vs Manawatu+0.7+0.7-0.8
North Harbour vs Northland+0.3+0.2-0.3
Canterbury vs Southland-0.3+0.2+0.2
Hawke’s Bay vs Waikato-0.2+0.1+0.2

What If

100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TPW-OTLD1234567891011121314
121-000375013
100-001135137
80-010125038
Total:18313219
Points
Chance Will Make Playoffs