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 -2.1
-0.1
If winner is:HomeDrawAway
Jaguares vs Sharks-14.8+3.9+14.7
-8.0-5.0+8.2
-1.0-0.1+1.0
Brumbies vs Blues+2.2+1.7-2.3
+0.1+0.0-0.1
Kings vs Rebels-1.1+0.9+1.0
-0.2+0.1+0.2
Chiefs vs Sunwolves-0.5-0.4+0.5
Force vs Lions+0.4-0.3-0.4
+6.9-5.0-6.7
+0.3-0.2-0.3
Reds vs Waratahs+0.0-0.1-0.0
If winner is:HomeDrawAway
Week of 5/5100.0*Chance in playoffs100.0*Home Quarterfinal100.0*Average seed
Sharks vs Force+11.6-0.1-11.6
+7.5-5.4-7.4
+0.9-0.2-0.9
Jaguares vs Sunwolves-3.0-1.8+3.0
-0.5-0.3+0.5
-0.1-0.1+0.1
Waratahs vs Blues+2.3+1.7-2.4
+0.1+0.0-0.1
Cheetahs vs Highlanders+1.6-0.4-1.6
+0.1-0.0-0.1
Bulls vs Crusaders-0.5+0.4+0.5
Chiefs vs Reds-0.5-0.5+0.5
Rebels vs Lions+0.5-0.4-0.5
+6.9-5.0-6.7
+0.3-0.2-0.3
Hurricanes vs Stormers+0.1+0.2-0.1

What If

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

100100100100100100100100100100100100100100100100100100
If finish:Chance inHomeChance will finish regular season at seed
TPW-OTLDplayoffsQuarterfinal123456789101112131415161718Count
507-000In98.3%5147200034,344,810
486-001In89.6216882007,507,827
466-010In84.9107409510235,704,404
5-002In82.397311610717,693
445-011100.0%62.01601111971045,071,906
4-003In66.106517179138,109
425-020100.055.1051472115200707,147,231
4-012100.051.30483621184003,588,566
3-004In46.304517222141,196
404-02199.427.302430220361410112,653,090
3-01399.430.32640115371710152,058
2-005In8.79413571723
384-03097.121.50147011137273001,178,587,752
3-02295.718.7013600833354007,179,121
2-01495.615.61240083438403,723
363-03185.55.53200328491410150,201,042
2-02386.26.53300226521310228,286
1-01587.210.310331441339
343-04065.53.31210114472950001,178,508,456
2-03260.22.512000949336007,178,486
1-02459.01.40100948356003,620
322-04135.50.300003324716100112,655,429
1-03336.10.300003334616200152,354
0-02544.0No44322425
302-05010.20.100000103439152000707,123,441
1-0428.90.00000093540152003,590,251
0-0349.1No0936391421,235
281-0511.2No0115383311200045,061,600
0-0431.3No011436341320038,022
261-0600.0No001929361951000235,722,054
0-0520.0No01103135184000719,273
240-0610.0No001823342481007,512,042
220-070OutNo0004163231153034,334,368
Total:68.8%20.7%11630271723158421100004,815,727,532
Points
Chance Will Make Playoffs