If y is 80% greater than x, than x is what % less than y?	Choose the most appropriate option.
A) 20	B) 25	C) 33 1/3	D) 44 4/9	E) 80
Let x = 100   So y = 180   We want percentage change.   So, (100-180)/180   = -44.44%   = 44 4/9% lesser than y.   Hence option (44 4/9).
<result>D</result>
If y is 80% greater than x, than x is what % less than y?