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*Relegated100.0*Average seed
Bay of Plenty 52 Northland 25 +7.6
+0.3
-9.9
+0.3
North Harbour 29 Manawatu 25 -7.0
+0.1
+0.1
Taranaki 30 Southland 14 +0.9
-0.8
+0.0
Counties Manukau 27 Wellington 28 -0.6
-0.1
Otago 30 Tasman 27 +0.1
If winner is:HomeDrawAway
Canterbury vs Hawke’s Bay-0.0+0.2+0.4
-0.3+1.1+2.7
Counties Manukau vs Taranaki+0.3+0.2-0.2
+0.1+0.1-0.1
Auckland vs Waikato-0.0+0.4+0.0
If winner is:HomeDrawAway
Week of 9/15100.0*Chance in playoffs100.0*Home Quarterfinal100.0*Relegated100.0*Average seed
Southland vs Bay of Plenty-16.4-2.4+10.4
-1.9-0.6+1.2
+5.3-0.5-3.3
-0.5-0.1+0.3
Wellington vs Bay of Plenty-5.5+8.5+21.2
-1.5+1.5+5.9
+0.8-2.0-3.1
-0.2+0.2+0.6
Manawatu vs Canterbury-7.4-1.4+3.7
+0.2+0.1-0.1
-0.1-0.0+0.1
Otago vs North Harbour+1.1-4.3-6.6
+0.0-0.0-0.1
+0.0-0.1-0.2
Southland vs Hawke’s Bay-0.6+0.7+0.8
-0.4-0.3+0.6
-0.1+0.1+0.1
Tasman vs Northland+0.0-0.1-0.3
-0.0+0.1+0.2
-0.2+1.0+1.3
Auckland vs Counties Manukau-0.1+0.3+0.3
-0.0+0.1+0.1
Waikato vs Taranaki+0.0+0.4-0.0

What If

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

100100100100100100100
If finish:Chance inHomeChance will finish regular season at seed
TPW-OTLDplayoffsQuarterfinal1234567RelegatedCount
286-000In99.6%6914No1,777,670
265-001In96.3180190No633,440
245-010100.0%58.70574110No19,006,590
4-002100.062.40584110No98,177
224-01199.924.10306550No5,768,801
3-003100.025.90375940No7,834
204-02098.61.0013652110No84,128,537
3-01298.71.201367191No676,891
2-00499.71.71172170No300
183-02192.10.02484180No19,328,344
2-01392.70.0350397No38,019
1-005InNo5644No9
163-03074.50.002351250No182,166,363
2-02274.60.002450250No1,605,716
1-01477.7No02850220No1,007
142-03147.7No074152100.0%29,586,426
1-02347.4No0740521No57,383
0-01541.7No4258No12
122-04019.7No011974600.0201,445,822
1-03220.2No011974500.01,545,295
0-02419.5No118756No698
101-0415.7No06781600.820,532,994
0-0334.2No04762001.026,406
81-0500.4No00534617.1107,079,672
0-0420.5No01564317.4509,529
60-051OutNo2863833.75,181,120
40-060OutNo5762075.421,724,005
Total:45.7%2.3%041724411213.7%702,927,060
Points
Chance Will Make Playoffs