Not really, but close. Picture is 1.5 billion pixels and features 100 million stars. So it’s about one star per fifteen pixels.
(Edited to add) The individual stars you can see when you zoom all the way in are the very brightest stars, mostly blue (O/B class) or red (K/M class) giants. For each star you can see, there are hundreds of smaller stars that you can't make out individually but contribute to the general background glow.
No, it's 100 million, as the article says.
> It is the biggest Hubble image ever released and shows over 100 million stars and thousands of star clusters embedded in a section of the galaxy’s pancake-shaped disc stretching across over 40 000 light-years.
Yeah, like ours.