How are these numbers calculated?

Big Games

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

Week of 4/28100.0*Chance in playoffs100.0*Home Quarterfinal100.0*Average seed
Highlanders 57 Stormers 14 -3.2
-0.1
If winner is:HomeDrawAway
Jaguares vs Sharks+14.8-3.9-14.6
+3.6-2.3-3.5
+1.0-0.4-1.0
Brumbies vs Blues+1.4+1.2-1.4
+0.1+0.1-0.1
Force vs Lions+1.0-0.9-1.0
+2.0-1.3-1.9
+0.1-0.1-0.1
Chiefs vs Sunwolves-1.0-0.8+1.0
Kings vs Rebels-0.5+0.5+0.5
-0.0+0.1+0.0
Cheetahs vs Crusaders+0.2-0.2-0.2
If winner is:HomeDrawAway
Week of 5/5100.0*Chance in playoffs100.0*Home Quarterfinal100.0*Average seed
Jaguares vs Sunwolves+11.2-0.7-11.2
+2.7-1.5-2.7
+0.9-0.2-0.9
Sharks vs Force-3.2+2.1+3.2
-0.9+0.7+0.9
-0.1+0.1+0.1
Cheetahs vs Highlanders+1.9+1.1-2.0
Waratahs vs Blues+1.4+1.2-1.5
+0.1+0.1-0.1
Rebels vs Lions+1.1-0.8-1.0
+1.9-1.3-1.9
+0.1-0.1-0.1
Chiefs vs Reds-1.0-0.8+1.0
Bulls vs Crusaders-0.1-0.3+0.2
-0.1-0.0+0.1
Hurricanes vs Stormers-0.1-0.1+0.1

What If

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

100100100100100100100100100100100100100100100100100100
If finish:Chance inHomeChance will finish regular season at seed
TPW-OTLDplayoffsQuarterfinal123456789101112131415161718Count
447-000100.0%74.5%866115920034,351,185
426-001100.049.60445925141007,512,163
406-01099.540.2036562423710235,702,187
5-00298.620.50183221381610717,757
385-01196.318.201270114402340045,063,890
4-00395.215.910611340265037,999
365-02084.010.506400628391510707,119,368
4-01277.33.421003244721103,589,715
3-00481.13.011227491811,214
344-02161.92.512001164332500112,655,530
3-01357.11.8010114413580153,302
2-00548.5No183045633
324-03031.30.80100042753151001,178,598,019
3-02226.30.100002245418107,180,805
2-01427.10.100324531913,565
303-0319.90.1000019403811100150,207,079
2-0237.60.00000736421310228,643
1-0154.9No546442241
283-0401.50.000000126462330001,178,507,965
2-0321.2No0123462540007,178,793
1-0241.2No1224428513,612
262-0410.0No003173630122000112,671,542
1-0330.0No0215363212200152,843
0-025OutNo1333381724
242-0500.0No00624352481000707,163,161
1-0420.0No005213527102003,587,008
0-034OutNo0421322911301,226
221-051OutNo001823342481045,059,981
0-043OutNo01723342581038,310
201-060OutNo00021027342160235,682,788
0-052OutNo001825352371717,341
180-061OutNo000317383387,510,330
160-070OutNo001625432534,330,113
Total:28.9%4.5%03100271524181175321104,815,727,532
Points
Chance Will Make Playoffs