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
CBR vs Newcastle-7.6-2.7+2.0+8.1
-0.4-0.1+0.1+0.4
Newcastle vs Syd Bears+7.8+1.7-3.1-7.9
+0.4+0.1-0.2-0.4
Melb Mustangs vs Syd Ice Dogs-0.0+0.2+0.2-0.0
Melb Ice 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 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
70-84In100225,199*
6922-14-1In100033,381*
6821-24-1In100057,071*
6721-25-0In100093,741*
6621-15-1In1000155,286*
6520-25-1In1000245,622*
6420-26-0In1000377,034*
6320-16-1In1000576,284*
6219-26-1In9910846,031*
6119-16-2In99101,213,353*
6019-17-1In98201,732,990*
5918-27-1In97302,387,444*
5818-17-2In96403,214,859*
5718-18-1In937004,304,555*
5617-28-1In9010005,571,125*
5517-18-2In8515007,085,047*
5417-19-1In7921108,934,565*
5316-29-1100.0%702820010,914,251*
5216-19-2100.0613640013,126,974*
5116-110-1100.0494370015,636,853*
5015-210-1100.037501310018,079,352*
4915-110-2100.025522120020,599,149*
4815-111-199.815493140023,228,244*
4714-211-199.4741411010025,448,191*
4614-111-298.2328481920027,513,074*
4513-211-294.7115463250029,404,278*
4413-212-186.4063644131030,554,384*
4313-112-271.2022148263031,355,853*
4212-212-250.00941419031,792,555*
4112-213-128.8032648212031,350,460*
4012-113-213.6011344366030,549,898*
3911-213-25.3005324615129,390,942*
3811-214-11.8002194828327,503,762*
3711-114-20.5001104241825,450,032*
3611-115-10.200431491523,222,598*
3510-215-10.100221522520,597,368*
3410-115-20.000113503718,079,117*
3310-116-10.00007434915,632,077*
329-216-10.0004366113,123,221*
319-116-20.0002287010,914,045*
309-117-10.000121798,934,015*
298-217-1Out0015857,089,435*
288-117-2Out0010905,569,970*
278-118-1Out007934,303,471*
267-218-1Out004963,216,193*
257-118-2Out03972,387,199*
247-119-1Out02981,731,024*
236-219-1Out01991,212,626*
226-119-2Out199846,066*
216-120-1Out0100575,896*
206-020-2Out0100376,443*
195-120-2Out0100245,026*
185-121-1Out0100156,022*
175-021-2Out010094,072*
164-121-2Out010056,726*
154-122-1Out010033,231*
0-14Out100225,248*
Total:50.0%1213131312121212597,572,928

* Row combines multiple less frequent records.

Points
Chance Will Make Playoffs