Provide your best answer for the following math problem. Give ONLY the answer, no other words or explanation.
For example:

Answer: <most likely answer, as short as possible; not a complete sentence, just the answer!>.

The problem is: a regular hexagon is there . the mid points of the sides were joined and formed another hexagon . then what is the percentage reduction in area .
25 %
Approx. 28.27%.