Complex sentence: Despite a drastic reduction of aid under the Bush Administration, the situation gradually improved: the number of malnourished children declined from 60% in 1998 to 37% in 2006 and 28% in 2013.
Split into simpler sentences: Despite a drastic reduction of aid under the Bush Administration, the situation improved in some aspects. The number of malnourished children declined from 60% in 1998 to 37% in 2006 and 28% in 2013.