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

What If

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

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTL-OTplayoffs12345678Count
73-84In10064,695*
7223-13-1In10001,882*
70-71In1009,632*
6922-14-1In100011,207*
6821-24-1In100019,052*
6721-25-0In100031,668*
6621-15-1In100052,386*
6520-25-1In100083,044*
6420-26-0In1000127,192*
6320-16-1In1000196,895*
6219-26-1In9910287,482*
6119-16-2In9910410,689*
6019-17-1In9820588,205*
5918-27-1In9730810,570*
5818-17-2In96401,089,174*
5718-18-1In93701,458,761*
5617-28-1In9010001,887,549*
5517-18-2In8515002,402,095*
5417-19-1100.0%78211003,027,081*
5316-29-1100.070282003,698,005*
5216-19-2100.061364004,446,364*
5116-110-1100.0494470005,299,306*
5015-210-1100.03750131006,129,092*
4915-110-2100.02552212006,975,292*
4815-111-199.81549314007,866,805*
4714-211-199.584141101008,623,031*
4614-111-298.232848192009,314,994*
4513-211-294.711547325009,951,340*
4413-212-186.5063644131010,340,245*
4313-112-271.2022149263010,616,888*
4212-212-250.00941419010,765,111*
4112-213-128.8032648212010,617,042*
4012-113-213.5011344366010,344,630*
3911-213-25.300532471519,958,688*
3811-214-11.800219482839,310,659*
3711-114-20.500110414178,617,443*
3611-115-10.20043149157,866,921*
3510-215-10.00022152256,984,082*
3410-115-20.00011350376,121,508*
3310-116-10.000744495,299,084*
329-216-10.000436614,449,019*
319-116-20.000228703,698,995*
309-117-1Out0121783,028,033*
298-217-1Out0015852,397,861*
288-117-2Out0010901,888,123*
278-118-1Out07931,458,769*
267-218-1Out004961,088,927*
257-118-2Out0397807,320*
247-119-1Out0298587,351*
236-219-1Out0199411,405*
226-119-2Out0199286,979*
216-120-1Out0100195,536*
206-020-2Out0100127,695*
195-120-2Out010083,698*
185-121-1Out010052,566*
175-021-2Out010031,930*
164-121-2Out010019,384*
0-15Out10087,596*
Total:50.0%1213131212131312202,406,976

* Row combines multiple less frequent records.

Points
Chance Will Make Playoffs