I figured there'd be some changes needed. Crafting is a big one, we've been given super silly money, so makes sense to change the crafting rules to be total mod from RAW ranks. The Starfarer Armors are downright silly with their ACs. I meant to ask about that too.
Edit: Found this
http://spheresofpower.wikidot.com/starfinder-to-pathfinder
I've mostly only found PF > SF, this is the only SF>PF one I found.