The phrase "a percentage of average" is correct and usable in written English.
It can be used when discussing statistical data or measurements that are expressed as a fraction of an average value.
Example: "The report indicated that the sales for this quarter were a percentage of average compared to previous years."
Alternatives: "a fraction of the mean" or "a portion of the average".
Take net charge-offs as a percentage of average loans — a measure of the relative health of loan portfolios.
That said, the cost of broadband as a percentage of average monthly income is still higher than the benchmark of 5% set by the UN Broadband Commission.
Pension rises will be indexed to inflation rather than a combination of inflation, the pensioner living cost index and as a percentage of average weekly male earnings.
"I ranked 10 countries, and Britain came ninth when you look at housing benefit plus unemployment benefit and income support as a percentage of average income".
Pension rises will be indexed to inflation rather than as a combination of inflation, the pensioner living cost index and as a percentage of average weekly male earnings.
Changes to indexation arrangements for pensions – sidelined and set to be replaced Pension rises were to be indexed to inflation rather than a combination of inflation, the pensioner living cost index and as a percentage of average weekly male earnings.
Paired values were plotted on a Bland-Altman plot, which is a plot of differences expressed as a percentage of averages between the two methods [ 13].
The magnitude of plasticity, as an indicator of synaptic change, was defined as the average EPSP slope after pairing expressed as a percentage of the average EPSP slope during baseline.
Final values represent the average of the 3 anatomical levels taken as a percentage of the average of each corresponding contralateral level.
For SICI and ICF, the average amplitude elicited by the conditioned stimulus was expressed as a percentage of the average unconditioned MEP amplitude at 120%.
