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
-0.9
Crusaders 24 Highlanders 8 -1.3
-0.1
Hurricanes 22 Force 20 -1.0
-0.1
Kings 0 Bulls 34 -0.7
Reds 19 Brumbies 19 -0.3
If winner is:HomeDrawAway
Week of 4/26100.0*Chance in playoffs100.0*Average seed
Chiefs vs Sharks+13.2+1.3-13.3
+1.0+0.1-1.0
Crusaders vs Rebels-1.0+0.7+0.9
-0.1+0.1+0.1
Cheetahs vs Kings-1.0+0.4+0.9
-0.1+0.0+0.1
Hurricanes vs Stormers-0.4+0.9+0.4
-0.0+0.1+0.0
Brumbies vs Force-0.7+0.1+0.7
Reds vs Blues-0.3-0.3+0.3
+0.1+0.0-0.1
Bulls vs Waratahs+0.1+0.1-0.1

What If

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

100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs123456789101112131415Count
528-0-0In9910881,059
507-1-0In97201556,419
487-0-1In9060406,666,802
6-2-0In90703162,026
466-1-1In78150703,882,418
5-3-0In771507026,806
446-0-2In54262180023,320,248
5-2-1In552621600970,410
4-4-0In572721502,836
425-1-2100.0%313572620011,656,520
4-3-1In293572720134,222
3-5-0In25344343192
405-0-3100.092712411110046,621,949
4-2-2100.0928133910102,429,108
3-4-1100.01029143790011,287
2-6-0In6717176
384-1-399.6114183327600019,419,551
3-3-299.4112183229710269,065
2-5-199.811019352970579
1-7-0In1001
364-0-491.5029143828810058,279,445
3-2-391.7021014372871003,234,000
2-4-292.3021215372771016,750
1-6-1In77474015
343-1-457.900521635301120019,422,861
2-3-350.704113333314300269,125
1-5-250.1521132331420563
323-0-512.001011029351940046,640,889
2-2-411.50101102936205002,427,878
1-4-311.7101102935195011,291
0-6-216.78825332512
302-1-50.80001724372571011,654,717
1-3-40.40004203729910134,410
0-5-30.516173033121190
282-0-60.00000418383181023,312,570
1-2-50.00003183832910970,591
0-4-4Out03183931812,896
261-1-60.000031941297003,887,535
0-3-5Out021641328027,062
241-0-7Out0003234425406,668,133
0-2-6Out00322432650161,407
220-1-7Out0073344160555,495
200-0-8Out011444383881,141
Total:64.5%11106151310986542100295,570,480
Games Above .500
Chance Will Make Playoffs