Try something like 80%!

"... Kerry told Congress that Islamist extremists make up only 15 to 25 percent of the rebels. But a closer examination of the composition of fighting groups suggests that his figure is low.Charles Lister, an analyst for IHS Jane’s Terrorism and Insurgency Center in Great Britain, circulated a study this week that showed that al Qaida-linked fighters and “hard-line Islamists” who coordinate closely with them number more than 40 percent of the anti-Assad forces..." (try that percentage instead!)