The tree looks more like a spruce than a pine but hard to tell from this vantage point. Spruce decline has been rampant in Michigan and you can read more here: https://www.canr.msu.edu/news/what_is_spruce_decline_and_what_should_you_do_about_it
The leaf drop appears serious however and the tree needs to be looked at by a professional, namely a Certified Arborist, one who specializes in everything woody. Find one or more Certified Arborists n you zip code at www.treesaregood.com
Click on the Find an Arborist tab. Arborist evaluations are not expensive and where you can learn exactly what is going on in your tree.