How are these numbers calculated?

Big Games

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

Week of 9/8100.0*Chance in playoffs100.0*Home Quarterfinal100.0*Average seed
Otago 30 Tasman 27 +0.0
+2.6
+0.1
North Harbour 29 Manawatu 25 +0.3
Counties Manukau 27 Wellington 28 -0.3
Taranaki 30 Southland 14 -0.1
If winner is:HomeDrawAway
Canterbury vs Hawke’s Bay-0.0+0.0+0.1
If winner is:HomeDrawAway
Week of 9/15100.0*Chance in playoffs100.0*Home Quarterfinal100.0*Average seed
Otago vs North Harbour+0.4-0.3-2.5
+0.0+0.0-0.1
Wellington vs Bay of Plenty-0.0+0.1+0.1
Auckland vs Counties Manukau-0.0+0.0+0.1
Tasman vs Northland-0.0+0.1+0.1

What If

Chances based on how well the Otago finish out the regular season.   Explain

100100100100100100100
If finish:Chance inHomeChance will finish regular season at seed
TPW-OTLDplayoffsQuarterfinal1234567RelegatedCount
34-40InYes100No507,508,909*
323-020InYes8812No141,252,511
2-012InYes8812No1,220,499
1-004InYes9010No600
302-021In100.0%8515No11,559,170
1-013In100.08614No22,530
0-005InYes100No2
282-030In98.6534620No34,742,325
1-022In98.7534510No313,714
0-014In98.157421No157
261-031In81.8425250No1,870,911
0-023In82.9435250No2,799
241-040100.0%29.512582820No4,001,234
0-032In31.21260252No25,144
220-04199.93.754043120No106,848
200-05097.00.001046403No299,707
Total:100.0%99.4%945000No702,927,060

* Row combines multiple less frequent records.

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 9/8100.0*Lottery seed
Otago 30 Tasman 27 -0.2
If winner is:HomeDrawAway
Canterbury vs Hawke’s Bay+0.0-0.0-0.1
If winner is:HomeDrawAway
Week of 9/15100.0*Lottery seed
Otago vs North Harbour-0.1+0.2+0.4
Manawatu vs Canterbury-0.1+0.0+0.0

What If

100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TPW-OTLD1234567891011121314
38-40100
364-010964
3-002964
343-01178220
2-0038812
323-020563950
2-012553950
1-00457394
302-02121522430
1-01326522020
0-005100
282-030532441810
1-022531451810
0-01463438202
261-03107324317200
0-023073343161
241-040004254324400
0-0320526432230
220-041004214328500
200-050001144735210
Total:8213410000000