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 10/27100.0*Chance in playoffs100.0*ERCC100.0*Average seed
Connacht vs Munster-3.2-2.3+2.2
-2.6-2.0+1.8
-0.2-0.2+0.1
Zebre vs Cheetahs-0.6+1.3+0.6
-0.1+0.4+0.1
+0.0+0.1-0.0
Scarlets vs Blues+0.1+0.1-0.5
+0.0+0.2-0.1
Ospreys vs Dragons-0.2+0.2+0.2
+0.2+0.4-0.3
Glasgow vs Kings-0.0+0.1+0.1
-0.0+0.1+0.1
Treviso vs Edinburgh-0.0+0.5-0.0
Ulster vs Leinster*-0.0+0.1-0.0

* 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 Munster finish out the regular season.   Explain

100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-LplayoffsERCC1234567Count
7615-0-0InYes1000450,066
7414-1-0InYes991333,131
7214-0-1InYes9823,059,054*
7013-1-1InYes94603,232,882*
6813-0-2InYes928013,479,485
12-2-1InYes831701,628,863*
6612-1-2InYes8020014,140,913*
6412-0-3InYes7822038,143,249
11-2-2InYes623806,461,842*
6211-1-3100.0%Yes59410035,309,514
10-3-2100.0Yes4058201,814,952*
6011-0-4100.0Yes56431072,962,625
10-2-3100.0Yes37613015,284,626*
5810-1-4100.0Yes34633061,414,077
9-3-3100.0100.0%1873903,862,185*
5610-0-5100.0100.0316540100,209,561*
9-2-499.9Yes1673110023,421,618
8-4-399.6100.07702300656,287
549-1-599.9100.01573130076,049,188
8-3-499.3100.066826105,421,997*
529-0-699.9100.013731400102,061,573
8-2-599.1100.0566291025,899,266*
7-4-496.099.714946400811,306
508-1-698.7100.0463321069,175,523
7-3-594.699.4145485005,296,345*
488-0-798.3100.0360342078,570,456
7-2-693.399.11425170020,777,971
6-4-580.790.5022581810693,261*
467-1-791.598.61385380046,984,115
6-3-676.887.101957221003,693,054*
447-0-889.698.003554100046,118,399
6-2-772.482.8016562620012,663,643*
426-1-869.079.8014552920023,950,542
5-3-742.340.604384611101,852,859*
406-0-964.575.1012523230020,640,528
5-2-837.034.203344814105,490,925*
385-1-932.729.302305016109,129,244
4-3-811.64.8011443581665,557*
365-0-1028.024.102265119206,992,146
4-2-98.93.40941391111,724,575*
344-1-106.62.30636411412,724,733*
324-0-114.41.40430432032,144,711*
303-1-110.40.00010384012538,692*
283-0-120.20.0007334316376,107*
262-1-120.0No0114464071,895*
242-0-13OutNo110424744,275*
221-1-13OutNo0224745,773*
201-0-14OutNo0121783,073*
180-1-14OutNo595216
160-0-15OutNo0298171,842
Total:94.2%95.9%2351205100966,608,720

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs