How are these numbers calculated?

Big Games

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

If winner is:HomeHome SOAway SOAway
Week of 4/12100.0*Chance in playoffs100.0*Average seed
Melb Mustangs vs Syd Ice Dogs+7.9+1.8-2.8-7.8
+0.4+0.1-0.2-0.4
Newcastle vs Syd Bears-0.0+0.2+0.1-0.0
Melb Ice vs Syd Ice Dogs-0.0+0.2+0.2-0.0
CBR vs Newcastle-0.0+0.2+0.2-0.0
If winner is:HomeHome SOAway SOAway
Week of 4/19100.0*Chance in playoffs100.0*Average seed
Melb Ice vs Melb Mustangs-7.8-2.9+1.9+8.0
-0.4-0.2+0.1+0.4

What If

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

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTL-OTplayoffs12345678Count
69-84In10087,478*
6821-24-1In100019,421*
6721-25-0In100032,013*
6621-15-1In100052,424*
6520-25-1In100083,386*
6420-26-0In1000127,609*
6320-16-1In1000195,112*
6219-26-1In991285,918*
6119-16-2In9910410,677*
6019-17-1In9820587,064*
5918-27-1In9730809,396*
5818-17-2In964001,090,063*
5718-18-1In937001,458,905*
5617-28-1In9010001,887,766*
5517-18-2In8515002,403,499*
5417-19-1In7821103,026,849*
5316-29-1100.0%70282003,700,790*
5216-19-2100.061364004,445,649*
5116-110-1100.0494470005,296,250*
5015-210-1100.03750131006,123,502*
4915-110-299.92552212006,977,824*
4815-111-199.81549314007,863,834*
4714-211-199.584142101008,609,709*
4614-111-298.232848192009,316,052*
4513-211-294.711546325009,958,588*
4413-212-186.4063644131010,346,843*
4313-112-271.2022149263010,617,720*
4212-212-250.00941419010,770,926*
4112-213-128.8032648212010,617,943*
4012-113-213.6011344366010,351,738*
3911-213-25.300532471519,953,144*
3811-214-11.800219482839,313,052*
3711-114-20.500110424178,617,255*
3611-115-10.20043149157,866,565*
3510-215-10.10022152256,977,448*
3410-115-20.00011350376,124,344*
3310-116-10.000743495,300,578*
329-216-10.000436614,446,781*
319-116-20.000228703,697,785*
309-117-1Out0121783,023,610*
298-217-1Out0015852,401,442*
288-117-2Out0010901,887,344*
278-118-1Out007931,458,702*
267-218-1Out04961,089,988*
257-118-2Out0397808,680*
247-119-1Out0298587,759*
236-219-1Out0199411,827*
226-119-2Out199287,585*
216-120-1Out0100195,080*
206-020-2Out0100128,230*
195-120-2Out010082,743*
185-121-1Out010053,352*
175-021-2Out010031,927*
164-121-2Out010019,357*
154-122-1Out10011,214*
144-022-2Out01006,086*
0-13Out10070,150*
Total:50.0%1212121313131212202,406,976

* Row combines multiple less frequent records.

Points
Chance Will Make Playoffs