How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

If winner is:HomeHome OTHome SOAway SOAway OTAway
Saturday, 3/3100.0*Chance in playoffs100.0*Average seed
Heat vs Leafs+26.2+15.2+15.2-15.3-15.2-26.2
+0.7+0.3+0.3-0.3-0.3-0.7
Bears vs Heat-26.2-15.2-15.2+15.2+15.2+26.2
-0.7-0.3-0.3+0.3+0.3+0.7
If winner is:HomeHome OTHome SOAway SOAway OTAway
Sunday, 3/4100.0*Chance in playoffs100.0*Average seed
Seed5 vs Heat-26.2-15.2-15.2+15.2+15.2+26.2
-0.7-0.3-0.3+0.3+0.3+0.7

What If

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

100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTL-OTplayoffs1234Count
8-9In1009,469,771*
72-00-1In78225,705,007
1-20-0In1002,933,652
62-01-097.6%3859211,104,909
1-10-199.4534615,866,990
0-30-0In6733504,047
51-11-083.19741711,415,292
1-00-250.350502,934,624
0-20-183.2974171,511,079
41-01-116.91774911,416,434
0-21-049.750502,933,400
0-10-216.8177491,509,412
31-02-02.42593811,102,448
0-11-10.6146535,874,813
0-00-3Out3367502,572
20-12-0Out22785,706,222
0-01-2Out1002,936,503
0-1Out1009,474,769*
Total:50.0%25252525102,901,944

* Row combines multiple less frequent records.

Points
Chance Will Make Playoffs