The remaining 14%. "The" has meaning so using it or not depends on the sentence.. Can you try to make a few sentences? Then I, or someone else, can tell you which one is better on those cases.

The remaining 14% is correct US residents is correct (US residents living in China like to watch TV) The US residents is correct (The US residents who live in China...) US people, it's better to say, "American people... The US people, it's better to say, "American people...