How are these numbers calculated?

Big Games

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

Week of 1/12100.0*Chance in playoffs100.0*Average seed
Grenoble 31 Newcastle 27 -0.2
If winner is:HomeDrawAway
Saracens vs Stade Français+0.1-0.0-0.0
+0.5+0.1-0.1
If winner is:HomeDrawAway
Week of 1/19100.0*Chance in playoffs100.0*Average seed
Edinburgh vs Saracens-0.0-0.0+0.6
-0.0+0.2+0.6
Lyon vs Grenoble+0.0-0.1-0.3

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs1234567891011121314151617181920Count
82-0-02.6%30000011244718573109,677
61-1-00.100011241473425,151
41-0-10.10000001131056293,339,800
0-2-0Out5905910
20-1-1Out0035840238,223
00-0-2Out001386115,230,399
Total:0.0%0000000000013415518,944,160
Games Above .500
Chance Will Make Playoffs