Does Compound Eyes raise the accuracy by 30% or add 30% accuracy to the move?

Question

So let's set an example:
For my Galvantula, I have the ability Compound Eyes, with Thunder.

So regarding Compound Eyes accuracy boost and Thunder's 70 base accuracy; will Thunder's accuracy boosted with Conpound Eyes have:
• 70 + 30 (100)
Compound Eyes adds 30% accuracy

~ OR ~

• 70 + 21 (91)
Compound Eyes adds 30% of base accuracy

Answer 1

91
http://pokemondb.net/pokebase/23089/does-compoundeyes-make-thunders-accuracy-91

Comments

Ahh thanks! :)