Apearl is formed in 1 of every 10,000 oysters. what percent of oysters make pearls? hint: an answer of 1, percent would mean 1 of every 100 oysters. pearls are more rare than that, so the answer will be less than 1 percent. choose from one of the following options. 2 percent . 7 percent 0.01, percent or 0.001%