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 playoffs
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
Newcastle vs Syd Bears-0.0+0.2+0.2-0.0
Melb Mustangs vs Syd Ice Dogs-0.0+0.1+0.2-0.0
If winner is:HomeHome SOAway SOAway
Week of 4/19100.0*Chance in playoffs
Melb Ice vs Melb Mustangs-0.0+0.2+0.2-0.0

What If

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

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTL-OTplayoffs12345678Count
69-84In100258,523*
6821-24-1In100057,248*
6721-25-0In100093,620*
6621-15-1In1000155,117*
6520-25-1In1000245,301*
6420-26-0In1000376,431*
6320-16-1In1000575,868*
6219-26-1In9910844,345*
6119-16-2In99101,213,099*
6019-17-1In98201,733,339*
5918-27-1In97302,384,503*
5818-17-2In96403,214,772*
5718-18-1In937004,305,206*
5617-28-1In9010005,569,221*
5517-18-2In8515007,089,288*
5417-19-1100.0%79211008,936,860*
5316-29-1100.0702820010,918,183*
5216-19-2100.0613640013,126,234*
5116-110-1100.0494370015,642,771*
5015-210-1100.037501310018,078,101*
4915-110-299.925522120020,597,357*
4815-111-199.815493140023,231,696*
4714-211-199.5741411010025,448,850*
4614-111-298.2328481920027,492,793*
4513-211-294.7115473250029,398,561*
4413-212-186.4063644131030,559,654*
4313-112-271.2022148263031,353,159*
4212-212-250.00941419031,784,848*
4112-213-128.8032648212031,355,516*
4012-113-213.6011344366030,546,346*
3911-213-25.3005324715129,394,061*
3811-214-11.8002194828327,511,568*
3711-114-20.6001104141825,447,096*
3611-115-10.200431491523,219,048*
3510-215-10.100221522520,593,352*
3410-115-20.000113503718,075,299*
3310-116-10.00007434915,642,459*
329-216-10.0004366113,131,277*
319-116-20.0002287010,919,886*
309-117-10.000121798,937,999*
298-217-1Out0015857,087,145*
288-117-2Out0010905,572,517*
278-118-1Out007934,305,466*
267-218-1Out04963,211,501*
257-118-2Out03972,382,725*
247-119-1Out02981,732,427*
236-219-1Out01991,214,432*
226-119-2Out0199845,782*
216-120-1Out0100575,755*
206-020-2Out0100376,085*
195-120-2Out00100245,302*
185-121-1Out0100155,628*
175-021-2Out010093,764*
164-121-2Out010057,435*
154-122-1Out010033,056*
0-14Out100225,053*
Total:50.0%1213121212121213597,572,928

* Row combines multiple less frequent records.

Points
Chance Will Make Playoffs