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-7.6-2.7+2.0+8.1
-0.4-0.1+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+0.2-0.0
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-0.0+0.2+0.2-0.0

What If

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

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTL-OTplayoffs12345678Count
70-84In100225,280*
6922-14-1In100033,389*
6821-24-1In100056,755*
6721-25-0In100094,234*
6621-15-1In1000155,443*
6520-25-1In1000245,560*
6420-26-0In1000374,948*
6320-16-1In10000575,582*
6219-26-1In9910845,417*
6119-16-2In99101,214,250*
6019-17-1In98201,732,631*
5918-27-1In97302,386,899*
5818-17-2In96403,215,363*
5718-18-1In937004,300,208*
5617-28-1In9010005,568,233*
5517-18-2In8515007,082,564*
5417-19-1100.0%79211008,939,974*
5316-29-1100.0702820010,914,643*
5216-19-2100.0613640013,123,672*
5116-110-1100.0494370015,639,982*
5015-210-1100.037501310018,080,790*
4915-110-299.925522120020,591,113*
4815-111-199.815493140023,224,726*
4714-211-199.4841411010025,443,153*
4614-111-298.2328481920027,504,171*
4513-211-294.7115463250029,405,140*
4413-212-186.4063644131030,542,849*
4313-112-271.2022148263031,345,492*
4212-212-250.009414190031,808,602*
4112-213-128.8032648212031,354,379*
4012-113-213.5011344366030,549,775*
3911-213-25.3005324715129,407,852*
3811-214-11.8002194828327,511,324*
3711-114-20.5001104141825,438,539*
3611-115-10.200431491523,221,239*
3510-215-10.100221522520,602,254*
3410-115-20.000113503718,074,604*
3310-116-10.0007434915,633,153*
329-216-10.0004366113,136,683*
319-116-20.0002287010,917,799*
309-117-1Out0121788,932,489*
298-217-1Out0015857,087,000*
288-117-2Out0010905,572,301*
278-118-1Out007934,307,225*
267-218-1Out04963,214,399*
257-118-2Out03972,384,386*
247-119-1Out02981,734,115*
236-219-1Out01991,214,559*
226-119-2Out0199846,931*
216-120-1Out0100575,657*
206-020-2Out0100375,859*
195-120-2Out0100245,220*
185-121-1Out0100155,232*
175-021-2Out010094,035*
164-121-2Out010056,816*
0-15Out100258,040*
Total:50.0%1212121312131312597,572,928

* Row combines multiple less frequent records.

Points
Chance Will Make Playoffs