The phrase "a slight decrease in the percentage" is correct and usable in written English.
It can be used when discussing changes in data, statistics, or measurements, particularly when the change is small.
Example: "The report indicated a slight decrease in the percentage of students passing the exam this year compared to last year."
Alternatives: "a minor reduction in the percentage" or "a small drop in the percentage."
Overall, despite a slight decrease in the percentage of high school graduates and significantly slower growth of college graduate, the average American is more educated today than ever before, having graduated from high school and likely, though not necessarily, attended college.
Only the spontaneous smooth-colony variant (D7SS) of D7S showed a slight decrease in the percentage of IL-1β positive cells (Fig. 4A), but this decrease was not statistically significant.
There was a slight decrease in the percentage of very and moderate preterm births from 1997/98 to 2010.
In general, K B values greater than 1 produced a slight decrease in the percentage of off-target effects relative to the baseline.
When dexamethasone was applied in phosphoramidon-treated embryos, we noticed a slight decrease in the percentage of malformed embryos (Table 3).
"Improve Strengths" supposes that the share for 2005 can be maintained, while in "Biomassive", even a slight decrease in the percentage over time is possible.
As seen in the plots, in the initialstages, the percentage of adsorption rises substantially as pH is increased from 2 to4, but as pH is increased from 4 to 10, there is a slight decrease in the percentageof adsorption.
The tensile strength and hardness values increase to 85.60 N/mm2 and 24HRB at 8 and 10 wt% of carbonized maize stalk respectively, but there is a slight decrease in the impact energy values, values of percentage elongation and percentage reduction in area as the reinforcement increases.
Colonoscopy/FS coverage by income quintile diverged over time: beginning in 2007, there was a slight increase in the rate of colonoscopy/FS coverage (i.e., slope) for individuals in Q5 and a slight decrease in the rate for individuals in Q1 (average percentage change, average annual percentage change, and 95% confidence interval are available in Supplementary Table 2).
Figure 7 shows a slight decrease in the setting time (beginning and end) as the percentage of addition with respect to cement rises.
There was a slight decrease in the proportion of pupils getting an A*, down 0.1 percentage points to 6.7%, but wide variations in individual subjects, with the proportion of teenagers getting at least a grade C in maths rising by almost five percentage points, to 62.4%.
