Complex sentence: However, according to a BBC poll in 2013, while the Japanese views haven't changed, 46% of the Germans now view Japan's influence negatively and only 28% expressed a positive view.
Split into simpler sentences: However, according to a BBC poll in 2013, the views of the Germans changed now. While the Japanese views haven't changed, 46% of the Germans now view Japan's influence negatively and only 28% expressed a positive view.