M4-b Use numerals for numbers over a hundred, in fractions and percentages, with abbreviations and symbols, in dates and addresses, and for page numbers and sections of books.

Printed Page H-78

289 cards 1/2 18.5 99%
73 percent 5 a.m. 10:30 p.m. 3 cm
185 lb $200 May 6, 2012 175 Fifth Avenue
page 44 part 5 chapter 2 volume 8

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Note: Depending on the style guide you are using, either the word percent or the % symbol will be required. Whichever you choose, use it consistently throughout a paper.