How are these numbers calculated?

Big Games

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

If winner is:HomeTieAway
Week of 9/3100.0*Chance in playoffs100.0*Semi Finals100.0*Quarter Finals100.0*Average seed
Venom vs Hawks+20.5+3.1-5.1
+20.5+3.1-5.1
-20.5-3.1+5.1
+0.5+0.1-0.1
Scorpion vs Lions+8.1+3.6-5.6
+8.1+3.6-5.6
-8.1-3.6+5.6
+0.1+0.1-0.1

What If

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

100100100100100100
If finish:Chance inSemiChance will finish regular season at seedQuarter
TPW-OTLTplayoffsFinals123456FinalsCount
365-00099.2%99.2%9910.8%429,335
344-00197.197.19732.9806,103
334-01089.489.48911010.64,240,703
323-00284.584.58415015.5643,856
313-01174.974.97525025.16,523,148
303-02053.253.25343446.816,269,861
2-00346.346.34649453.7236,734
292-01239.839.84053760.23,446,121
282-02125.525.5265816074.516,321,164
1-00418.218.218592381.840,825
272-03010.210.2105238089.824,965,742
1-0137.27.275141092.8759,091
261-0224.24.244452095.85,186,568
0-0053.13.134453096.92,668
251-0311.11.1128683098.915,330,488
0-0140.30.302178299.759,613
241-0400.10.1012827099.916,557,723
0-0230.00.00108550100.0529,165
230-0320.00.00480160100.02,281,685
220-041OutNo059391Yes4,808,421
210-050OutNo047504Yes4,025,218
Total:22.5%22.5%2235385077.5%123,464,232
Points
Chance Will Make Playoffs