A fraction is a numerical constant. Being a fraction does not alter that. And, as a constant, its rate of change is precisely zero.
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Population growth rate is the rate at which populations change in size over time as a fraction of the initial population. The formula used to measure growth rate is (birth rate + immigration) - (death rate + emigration).
The rate of change is the change divided by the original value. This answer, converted to a percentage is the percentage rate of change.
a fraction is already a fraction i don't mean to be mean but you must be super stupid.
To change a percent into a fraction, divide the percent number by 100, and if you can, simplfy the fraction.
Fraction = 20/1 Ratio = 20