I don't remember the scaling off hand but quickly jumping on TC
I didnt bother varying karma for the test so Everything was done at 2 Karma
@120 EoO: 82% Damage Bonus (up from 64)
@ 120 and 2 Karma for DF: 12 HCI 16 DI 10 SSI and -10 DCI
@100 Chiv EoO: 50% Damage Bonus
DF:12:15:10:-20
@80 Chiv EoO: 46% Damage bonus
DF:11:14:10:-20
@65 Chiv EoO: 32% Damage Bonus
DF:10:12:5:-20