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*Average seed
Senators 77.836 Rockies 103.028 -0.3
Bruins 131.979 Blackhawks 119.466 +0.2
Sharks 179.1 Canadiens 82.79 +0.1
Week of 2/27100.0*Average seed
North Stars 194.494 Senators 110.513 -0.3
Blackhawks 108.267 Islanders 118.439 +0.2
Rockies 140.423 Canadiens 132.252 +0.1
If winner is:HomeAway
Week of 3/6100.0*Average seed
Canadiens vs Senators-0.7+0.7
Ducks vs Blackhawks+0.2-0.2

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314151617181920Count
41-0Out505011,885,398
30-1Out010011,882,762
Total:Out25255023,768,160
Games Above .500
Chance Will Make Playoffs