The phrase "a single percent" is correct and usable in written English.
It can be used when referring to one percent in a specific context, such as statistics or measurements.
Example: "The new policy is expected to increase productivity by a single percent over the next quarter."
Alternatives: "one percent" or "1%".
Mr. Papandreou is a member of the socialist party Pasok, which won re-election last April by a single percent.
If a competitor offered a more healthful option that was able to capture just a single percent of that market share, it would make $55 million.
But the company points out that it has sold 12 million drives and even more disks (on which it offers a lifetime warranty) and that "only a fraction of a single percent" of its customers have reported the problem.
Display revenue was down 4percentt, while search revenue rose by a single percent.
While it is still true that Google is not taking even a single percent for themselves, 30% will go to carriers and the folks who handle billing.
If, however, you increased your contribution rate by just a single percent, to 3% of your salary, your employer would "kick in" an additional 1% of your salary as well.
Their latest release as of this writing, which still includes two days of interviews conducted just before the Republican convention began, shows Obama edging Romney by a single percentage point (47 percent to 46percentt).
More than 80percentt of the families were led by a single parent, 43 percent had three or more children and just over half of the parents held jobs.
Now, Mac Pro is actually a small percentage of our CPUs — just a single digit percent.
As a result, Marsh said that traditional locksmiths might have an error rate of 15 to 20percentt, while KeyMe's error rate is a "single digit percent".
This indirect comparison suggested a greater effect of single dose on days 1 to 2 than on days 3 to 4. There was only one trial of multiple doses on days 1 to 7. We have shown a single outcome, percent of participants with microscopy or PCR-detected gametocytes on day 8, for this comparison as a representative outcome across the trials.
