It might be my browser, but this
is pretty hard to read. Making the font for these progress details smaller would help. Also, in order to highlight which parts of your collection are lacking, use colors (to see why this is needed, try finding on which element I'm missing cards and see how long it takes). I though a bit on how to do this and the way I think would be the less jarring is to make the numbers black and add a glow. Something like this
with different colors meaning different levels of completion (100%, > 50% and < 50% for example).