How are these numbers calculated?

Big Games

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

If winner is:HomeDrawAway
Week of 4/28100.0*Chance in playoffs100.0*Home Quarterfinal100.0*Average seed
Kings vs Rebels-3.2-2.2+5.9
-3.2-2.2+5.9
-0.8-0.3+1.5
Brumbies vs Blues-1.4-0.9+2.5
-1.4-0.9+2.5
-0.1-0.1+0.2
Force vs Lions-1.5-0.6+0.4
-1.5-0.6+0.4
-0.2-0.1+0.1
Reds vs Waratahs-0.1-0.6+0.2
-0.1-0.6+0.2
-0.0-0.2+0.0
Cheetahs vs Crusaders-0.2-0.1+0.0
Chiefs vs Sunwolves+0.0-0.0-0.2
If winner is:HomeDrawAway
Week of 5/5100.0*Chance in playoffs100.0*Home Quarterfinal100.0*Average seed
Rebels vs Lions+9.0-0.5-1.8
+9.0-0.5-1.8
+1.8+0.1-0.4
Chiefs vs Reds+0.2-1.6-2.0
+0.2-1.6-2.0
+0.0-0.2-0.3
Sharks vs Force+0.3-0.7-1.6
+0.3-0.7-1.6
+0.1-0.1-0.2
Waratahs vs Blues-0.5-0.3+0.6
-0.5-0.3+0.6
-0.1-0.1+0.1
Bulls vs Crusaders-0.1-0.1+0.0
Cheetahs vs Highlanders-0.2-0.1+0.1
Jaguares vs Sunwolves+0.0+0.0-0.1

What If

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

100100100100100100100100100100100100100100100100100100
If finish:Chance inHomeChance will finish regular season at seed
TPW-OTLDplayoffsQuarterfinal123456789101112131415161718Count
388-000InYes047522,707,271
367-00199.9%99.9%168400000336,537
347-01099.699.60158400000016,107,927
6-00299.399.31485000073,083
326-01196.396.239400120006,773,597
5-00397.397.3395012008,558
306-02093.893.82920014100156,302,888
5-01292.192.12900152001,155,931
4-00490.490.42881620571
285-02173.473.4073011112200052,198,121
4-01377.277.207700712300104,658
3-00584.084.08444825
265-03065.265.20650091960000779,423,688
4-02259.859.80600092281006,965,828
3-01456.356.3056082410105,482
2-006OutNo1001
244-03123.323.323032332153000204,344,265
3-02327.027.02701193316300477,252
2-01534.934.93511729163166
224-04015.815.81601153525710002,232,237,958
3-03211.711.712011334291010020,696,002
2-0248.48.48093234142017,825
1-016OutNo25754
203-0410.60.61017253724600445,358,494
2-0330.90.910062438246101,017,277
1-0251.11.11162934236356
183-0500.20.2000215353312203,805,155,589
2-0420.10.10001113137173032,311,157
1-0340.00.000072640224024,240
0-026OutNo50504
162-0510.00.0000032245291543,925,625
1-043OutNo00322452811,012,369
0-035OutNo52944211213
142-060OutNo00113414043,787,769,445
1-052OutNo01103846525,139,710
0-044OutNo063652611,455
121-061OutNo00117514344,532,122
0-053OutNo0117414374,094
101-070OutNo0457392,007,328,947
0-062OutNo357407,563,399
80-071OutNo505086,499,107
60-080OutNo1783429,800,415
Total:7.6%7.6%008000147912141622914,997,761,656
Points
Chance Will Make Playoffs