How are these numbers calculated?

Big Games

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

Week of 2/20100.0*Chance in playoffs100.0*Average seed
Senators 77.836 Rockies 103.028 -0.1
Flyers 135.333 North Stars 141.303 In
Lightning 130.342 Devils 95.466 In
+0.5
Whalers 94.499 Maple Leafs 164.822 -0.2
Sharks 179.1 Canadiens 82.79 -0.2
Week of 2/27None
Week of 3/6None

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314151617181920Count
15-16In10023,768,160*
Total:In10023,768,160

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs