For percent, you just move the decimal over two spaces to the right, and add the percent sign. In which that would be:
<em> .5%</em>
And for the fraction: Since the 5 is in the thousandths place, the fraction would equal to:
when simplafied: 
~Hope this helped :)
<em> .5%</em>
And for the fraction: Since the 5 is in the thousandths place, the fraction would equal to:
~Hope this helped :)