Looking on the internet deeply has found these results:

a small percentage do is the most popular phrase on the web.

a small percentage does 121,900 results on the web	a small percentage do 125,600 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
And that was just a small percentage of the dead. There exists a small percentage of the population with a dormant alien gene. A small percentage of the population is immune to the effects of capsicum. free stores. Only a small percentage of consumers have the possibility of regularly buying from duty Minus a small percentage for my finder's fee. No, it's just a small percentage of the population. A small percentage of vitamin D3 undergoes glucuronidation prior to elimination.	It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

a small percentage does

121,900 results on the web

a small percentage do

125,600 results on the web

More popular!

And that was just a small percentage of the dead.
There exists a small percentage of the population with a dormant alien gene.
A small percentage of the population is immune to the effects of capsicum.
free stores.
Only a small percentage of consumers have the possibility of regularly buying from duty
Minus a small percentage for my finder's fee.
No, it's just a small percentage of the population.
A small percentage of vitamin D3 undergoes glucuronidation prior to elimination.

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.