Probably more relevant as a % ie you have 100 friends and you got 12 likes versus you have 500 friends and you got 12 likes your page has 100 likes and it's post got 12 likes versus your page has 500 likes and your post got 12 likes those stats mean different things. If your page was on something really specific like Carnivorous Plants from Chile then you might have very few likes but each post you make might get a like from most of the members - which means you have influence on them. If your page is about cute kittens then you could have millions of like but you get relatively few likes and have little influence. Facebook determines what shows in the feed by how much influence you have so I'd rather be the plant guy than the kitten guy.
Yes, I strongly agree it is dependent upon the % of people you have with the likes you got on your picture.