How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 10/1100.0*Chance in playoffs100.0*Average seed
North Harbour 32 Otago 39 -0.1
If winner is:HomeDrawAway
Southland vs Hawke’s Bay-2.5InIn
Bay of Plenty vs WellingtonIn+0.1-0.3
+0.3-0.2-0.2
Northland vs Otago+0.2-0.0-0.0
If winner is:HomeDrawAway
Week of 10/8100.0*Chance in playoffs100.0*Average seed
Canterbury vs SouthlandInIn-5.2
+0.0+0.0-0.1
Otago vs Bay of Plenty-0.4+0.1In
-0.2-0.2+0.3
Wellington vs Manawatu-0.0-0.0+0.1

What If

Chances based on how well the Bay of Plenty finish out the regular season.   Explain

100100100100100100100
If finish:Chance inChance will finish regular season at seedRelegated to
TPW-OTLDplayoffs1234567ChampionshipCount
242-000In1486No7,744,181
221-001In1486No541,016
201-010In793No21,882,571
0-002In100No9,434
180-01199.3%991No760,409
160-02098.6991No15,342,633
Total:99.5%218790No46,280,244
Points
Chance Will Make Playoffs

Lottery

Ye of little faith, already thinking about next year. Here are the big games and what ifs for draft seeds.

Big Games

Week of 10/1100.0*Lottery seed
North Harbour 32 Otago 39 +0.1
Manawatu 10 Taranaki 44 +0.0
If winner is:HomeDrawAway
Bay of Plenty vs Wellington-0.3+0.2+0.2
Northland vs Otago-0.2+0.0+0.0
Southland vs Hawke’s Bay+0.1-0.0-0.0
If winner is:HomeDrawAway
Week of 10/8100.0*Lottery seed
Otago vs Bay of Plenty+0.2+0.2-0.3
Wellington vs Manawatu+0.0+0.0-0.1
Canterbury vs Southland-0.0-0.0+0.1

What If

100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TPW-OTLD1234567891011121314
242-0001486
221-0011486
201-010793
0-002100
180-011991
160-0209910
Total:2187900