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
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
Heat vs Leafs+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
8-9In10028,892,598*
72-00-1In782217,409,206
1-20-0In1008,950,582
62-01-097.6%3859233,867,501
1-10-199.45346117,907,939
0-30-0In67331,532,899
51-11-083.29741734,821,187
1-00-250.350508,949,812
0-20-183.2974174,602,765
41-01-116.81774934,807,747
0-21-049.850508,950,682
0-10-216.8177494,599,282
31-02-02.42593833,861,931
0-11-10.61465317,900,763
0-00-3Out33671,535,334
20-12-0Out227817,409,011
0-01-2Out1008,954,630
0-1Out10028,897,563*
Total:50.0%25252525313,851,432

* Row combines multiple less frequent records.

Points
Chance Will Make Playoffs