question: In November 2008 , how much was the U.S. stock index down from its 2007 high ?
answer: 45 %
turker_answer: In November 2008 , the U.S. stock index was down from its 2007 high by 45 % .
rule-based: In November 2008 , the U.S. stock index down from its 2007 high was 45 % .