The phrase "increase of percentage" is correct and usable in written English.
It can be used when discussing a rise in a specific percentage value in various contexts, such as finance, statistics, or research.
Example: "The increase of percentage in sales this quarter compared to last quarter is significant."
Alternatives: "rise in percentage" or "percentage increase."
CO2 capture and vent are discussed and the results show that the vent amount of CO2 increases with the increase of percentage of the syngas going to produce electricity.
It has been shown that flexural strength of rubber ash concrete decreases with the increase of percentage of rubber ash whereas flexural strength of modified concrete is increased with the increase of the percentage of rubber fibers content.
For WD house, the average interval of the hours when T>34°C has decreased from 2.03% to 0.98%, and there is a slight increase of percentage of hours when 30°C>T>32°C from 6.96%to7.02%2%.
The present investigation confirmed the increase of percentage of cytotoxicity activity and apoptosis against two human leukemic cell lines U937 and K562 including the conjugation of protein toxin NKCT1 with gold nanoparticle.
The western regions showed an increase of percentage of days below the soil water threshold during flowering in the med and max projections, in particular at sites DH and FL.
After knock down of PTK7, ratios of apoptotic HCT 116 cells revealed by Annexin V/PI stain showed a large increase of percentage of apoptotic HCT 116 cells.
Increasing temperature from 29 to 39.5 °C resulted in the decrease of butyric acid percentage but increase of ethanol percentage.
For the year, gross margin as a percentage of revenue was 43.2percentt, an increase of 3.9 percentage points over 2002 fiscal year.
In particular, an increase of 1 percentage point in differential results in an increase of 5.7 percentage points in the ratio between appraisal and transaction prices.
This is an increase of 9 percentage points since March 2012.
But only 31.2% of men of the same age applied, an increase of 1 percentage point.
