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 -0.1
If winner is:HomeDrawAway
Reds vs Waratahs+8.7-2.1-8.6
+8.6-2.1-8.5
+1.5-0.4-1.5
Brumbies vs Blues-2.6-0.2+2.6
-2.7-0.1+2.7
-0.2-0.1+0.2
Force vs Lions-1.5-0.9+1.5
-1.5-0.9+1.5
-0.2-0.1+0.2
Kings vs Rebels+1.4+1.1-1.4
+1.4+1.1-1.5
+0.1+0.1-0.1
Jaguares vs Sharks+0.0+0.1-0.0
Chiefs vs Sunwolves+0.1-0.0-0.1
Cheetahs vs Crusaders-0.1-0.1+0.1
If winner is:HomeDrawAway
Week of 5/5100.0*Chance in playoffs100.0*Home Quarterfinal100.0*Average seed
Chiefs vs Reds-7.0-1.8+7.1
-6.9-1.8+6.9
-1.3-0.4+1.3
Sharks vs Force+1.4-0.9-1.4
+1.5-0.9-1.5
+0.2-0.1-0.2
Rebels vs Lions-1.4+1.1+1.4
-1.5+1.1+1.4
-0.2+0.1+0.2
Waratahs vs Blues-1.4+0.4+1.3
-1.4+0.4+1.4
-0.1-0.0+0.1
Cheetahs vs Highlanders+0.1+0.0-0.1
-0.1-0.1+0.1
Jaguares vs Sunwolves+0.1-0.0-0.0
Bulls vs Crusaders-0.1-0.1+0.1

What If

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

100100100100100100100100100100100100100100100100100100
If finish:Chance inHomeChance will finish regular season at seed
TPW-OTLDplayoffsQuarterfinal123456789101112131415161718Count
367-00099.9%99.5%16335000000034,344,226
346-00199.297.103264001110007,509,242
326-01091.288.60266200253000235,694,979
5-00288.985.50256000374100717,988
305-01174.772.605670028115100045,057,623
4-00368.768.05630181482038,105
285-02049.649.5346004182081000707,128,261
4-01240.940.723800419241020003,589,047
3-00445.345.234204182110101,137
264-02124.224.202400051929185100112,649,337
3-01319.819.802004183021610152,484
2-00534.834.83594359923
244-0308.88.809001927321741001,178,569,193
3-0225.05.00501725342161007,179,532
2-0145.95.906182433226103,619
1-006OutNo1001
223-0311.51.5100041732301320150,212,110
2-0230.90.910031531311530228,543
1-015OutNo2930419946
203-0400.20.200017223526911,178,528,425
2-0320.00.0000051834301117,178,295
1-0240.10.100051934301113,681
182-0410.00.00000214353612112,655,826
1-0330.00.0000212343814152,952
0-025OutNo424522025
162-0500.00.0000016264522707,167,306
1-0420.00.0000052446253,590,512
0-034OutNo052447251,221
141-051OutNo0006355945,060,409
0-043OutNo004346237,856
121-060OutNo00022969235,711,470
0-052OutNo0022870719,372
100-061OutNo008927,506,255
80-070OutNo079334,338,431
Total:16.2%16.0%021400001369111112121294,815,727,532
Points
Chance Will Make Playoffs