Apollo Group's quarterly revenue was down 7.6% on a year-over-year basis.

Since the numbers are not seasonally adjusted, analysts measure change on a year-over-year basis.

On a year-over-year basis, industry comparable store sales rose to a 5.3 percent pace in the latest week.

During this decade, the best earnings comparisons on a year-over-year basis occurred in 1994, which was also the worst year of the decade.

A year ago, before the new slogan was introduced, Church's sales were rising on a year-over-year basis.

The two months were the only ones since June 1989 in which the figure failed to increase, on a year-over-year basis.

It was the first time that prices of existing homes had fallen on a year-over-year basis in more than a decade.

If prices there had not been so strong, the national median home price in July would have declined on a year-over-year basis.

Now, for the first time in history, M-3 growth on a year-over-year basis is negative.

It is losing money and has seen sales fall, on a year-over-year basis, for seven consecutive quarters.