How are these numbers calculated?

Big Games

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

Week of 4/19100.0*Chance in playoffs100.0*Average seed
Waratahs 25 Chiefs 20 +10.9
+1.0
Crusaders 24 Highlanders 8 -1.1
-0.1
Hurricanes 22 Force 20 -0.9
Kings 0 Bulls 34 -0.7
Reds 19 Brumbies 19 *+0.1
If winner is:HomeDrawAway
Week of 4/26100.0*Chance in playoffs100.0*Average seed
Bulls vs Waratahs-12.7-2.8+12.9
-1.1-0.2+1.1
Brumbies vs Force-1.1+0.4+1.1
-0.1+0.0+0.1
Cheetahs vs Kings-0.9-0.2+0.9
Crusaders vs Rebels-0.8+0.7+0.8
-0.0+0.1+0.0
Reds vs Blues-0.5-0.1+0.5
-0.1-0.0+0.1
Hurricanes vs Stormers-0.3+0.2+0.3
Chiefs vs Sharks-0.1+0.3+0.1

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

What If

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

100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs123456789101112131415Count
488-0-0In8811020882,327
467-1-0In7419060555,303
447-0-1100.0%48342161006,662,760
6-2-0In453321920161,535
426-1-1100.021379285003,884,729
5-3-0100.0163273590026,691
406-0-299.952814331820023,312,940
5-2-199.8422133523400971,787
4-4-099.8318113626502,844
385-1-297.00818213416300011,651,359
4-3-195.40512193922400134,348
3-5-091.97715432181198
365-0-379.502106273517300046,639,282
4-2-273.0017424382250002,425,874
3-4-169.81532239245111,477
2-6-063.699453611
344-1-325.804041835281010019,427,736
3-3-219.9010316353112200269,514
2-5-117.921635301520541
1-7-0Out1001
324-0-44.7010041835301110058,286,861
3-2-32.700002143333142003,236,568
2-4-22.0002133234173016,779
1-6-1Out9362718911
303-1-40.10001827392240019,426,435
2-3-30.00017253924500269,091
1-5-2Out162839225560
283-0-50.0000011133391520046,628,192
2-2-40.000018304118202,426,456
1-4-3Out0172741213011,033
0-6-2Out50502
262-1-50.0000073142182011,655,968
1-3-4Out00630431920135,085
0-5-3Out1113139154160
242-0-6Out0021742327023,316,951
1-2-5Out00114413590968,849
0-4-4Out11239361102,836
221-1-6Out00220463113,882,875
0-3-5Out02204730126,809
201-0-7Out0110404546,659,307
0-2-6Out00838495161,791
180-1-7Out01196911555,067
160-0-8Out0096527881,537
Total:32.0%2445899101111118520295,570,480
Games Above .500
Chance Will Make Playoffs