I sometimes read newspapers aloud to practice pronunciation, but encounter the issue of percentage points, e.g. 20% and 31% differ by "11 percentage points" (or just "11 points" for brevity). For a concrete example, I recently encountered this:
……根据《纽约时报》10月31日的民调,拜登在威斯康星州的支持率超出特朗普约11%。
紧张混乱笼罩美国选举日,环球时报,2020年11月4日
I'm unsure how to pronounce "11%" here. The obvious thing to say is 百分之十一, but I'm worried that might be incorrect because it's referring to percentage points.
Question: How do you read "11%" aloud when it refers to percentage points?