The percentage change is 28.6%
Percentage can be described as a fraction of an amount expressed as a number out of hundred. Percentages are a measure of frequency. The sign used to represent percentages is %.
In order to convert a fraction to percentage, multiply the fraction by 100.
2/7 x 100 = 28.57%
4/7 x 100 = 57.14%
57.14% is greater than 28.57%. So, the change is an increase.
The percentage change = 57.14% - 28.57 = 28.6%.
To learn more about percentages, please check: https://brainly.com/question/25764815
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