Despite some folks disagreeing with the negative impact President Trump has had on the world's perception of the U.S., perception is reality.

As of Jun 2017,

http://www.pewglobal.org/2017/06/26/...ps-leadership/

Donald Trump’s presidency has had a major impact on how the world sees the United States. Trump and many of his key policies are broadly unpopular around the globe, and ratings for the U.S. have declined steeply in many nations. According to a new Pew Research Center survey spanning 37 nations, a median of just 22% has confidence in Trump to do the right thing when it comes to international affairs. This stands in contrast to the final years of Barack Obama’s presidency, when a median of 64% expressed confidence in Trump’s predecessor to direct America’s role in the world.
Confidence in the U.S. President to make the right decisions in regards to world affairs decreased over 50% in the following countries of note: Japan, Australia, UK, South Korea, Germany, France, Spain, and Canada. The only countries that have an improved view of the U.S. are Russia and Israel.

In my view the White House issue is tied more to its clumsy communications than real policy decisions. Arguably, President Obama made several terrible foreign policy decisions, but he was an exponentially better communicator.