Spell out numbers up to nine. Use figures for 10 and up.
- five years
- fourth quarter
- 500 patients
- 50th anniversary
- Of 25 yearly happy hours, 22 were held on campus and 3 were held off campus.
- Sixty people came to the party.
Percentages: spell out the word "percent" and use the figure, unless it is at the beginning of the sentence.
- Eighty percent of the team likes beer.
- The researchers found 7 percent of study participants experienced side effects.