The phrase "a decreasing percentage" is correct and usable in written English.
It can be used when discussing a reduction in a proportion or fraction of a whole over time or in a specific context.
Example: "The survey results showed a decreasing percentage of participants who favored the new policy compared to last year."
Alternatives: "a declining percentage" or "a diminishing percentage".
"A decreasing percentage of the imaginary worlds are utopias," the literary scholar Chad Walsh observed in 1962.
As we move further along the career path, we usually find an increasing percentage of men and a decreasing percentage of women.
DENNIS B. APPLETON Madison, Wis., April 24, 2011 To the Editor: Although a decreasing percentage of family physicians are in small and solo practices, the model is not extinct, nor are those physicians practicing inferior medicine.
He also brings up Microsoft revenue, but only says it represents a decreasing percentage of overall revenue.
Starting from this age class, a decreasing percentage increment was applied to the subsequent (older) age classes.
In practitioner studies, we found a decreasing percentage of the usage of slower modes (e.g. sea and rail) in the disaster response phase over time.
Our data are consistent with a temporal tendency toward a smaller number of bone lesions and a decreased percentage of instances of affected skeleton.
On the other hand, PCA facilitates survival of phenotypes differentiated from cultured NS/PCs, which was associated with an increased percentage of the cellular viability and a decreased percentage of cells undergoing apoptosis under differentiation conditions.
Compared to the percentage of misfit students in the calibration of the initial pool of items, this calibration yielded increased percentages of second and third grade misfit students and a decreased percentage of misfit fourth grade students.
These findings were supported by the results from flow cytometry which showed a decreased percentage of late apoptotic cells and an increased percentage of live cells after a 48-h exposure to liposomal ATO compared with exposure to free ATO.
Compared to the control group, MD-1 and MT-treated HSC-T6 cells had an increased percentage of cells in G0/G1 phase and a decreased percentage of cells in the S phase (Fig. 3A).
