Dex (Atk power) vs Crit Dmg?

I have a bow character, and she's got 100+%Crit rate, full Dex, and 217 str. Also she has crit armor and cdcc+7%atk. I'm picking Ava's to wear, and I'm debating between atk or Crit dmg. I already have Crit dmg +2% on one avatar. Should I use it or try to go for an attack boost (+Dex or +atk or + wep atk?) How much atk would I need to get more benefit over the Crit Dmg? Is it even worth it to use CD+2%? Is atk better than crit DMG for a bow character?

 

It depends on your total atk and your current cdmg

 

My attack w/o Ava's is 2573, and idk how to calculate my cdmg

 

cdmg = (150 + (STR / 5) * ((cdmg%stats + 100) / 100) + flat cdmg stats

cdmg is applied by dividing your total cdmg by 100, then using that number to multiply your damage. If you have 249 total cdmg, your critical hits will multiply your damage by 2.49.

 

My cdmg is 245.39, so x2.45 dmg?

 

If you know them, then you can just calculate the Increment of both stats and the derived final damage between the two additional stats and compare them

 

Thanks, I think I do raw ATK