I find that when my targets' debuffs are at -3 Def/-6 S-Def, I'm able to deal more damage than I would if they were -2 Def/-7 S-Def. So, what I'm wondering is - what is the relationship between the defenses, and how much greater is the effect of neutral Def buffs/debuffs compared to typed Def? Is there some place I can look this up?
Mixing up the buffs will have a higher effect than focusing on one buff due to how the formula works.
A couple Reddit threads have done some research on the topic.

















