GameFAQS numbers
My mythoclast is at 267 damage and using the impact ballistics. I'm against level 24 enemies
Before: 221 body 550 precision
After: 126 body 378 precision.
It is officially useless in pve. Going into pvp now to test
Pvp
With impact ballistics
Before 45 body 56 head
After 28 body 38 head
With stability ballistics
Before 41 body 51 head
After 23 body 35 head
Vision of Confluence pvp (don't have before numbers)
41 body 61 head
Suros pvp (slow rof)
Before 33 body 42 head
After 28 body 36 head
Negligible recoil increase