Definition of "percentage point" []

• One hundredth of a given value, used to measure the difference of two percentages. For example, the difference between 20 percent and 30 percent is 10 percentage points, not 10 percent. (noun)

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• "Mr. Humala had a 3 percentage point margin of victory in a quick count of the vote at polling places conducted by the non-government group Transparencia, Two other quick counts by private polling agencies also showed Mr. Humala coming out on top, as did several exit polls."