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

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314151617181920Count
51-0Out10011,880,496
40-1Out505011,887,664
Total:Out752523,768,160
Games Above .500
Chance Will Make Playoffs