Answer
$c(t)=\frac{b(t)-d(t)}{p(t)}\times100\%$
Work Step by Step
$c(t)=\frac{b(t)-d(t)}{p(t)}\times100\%$
The change in the population as a percentage value is equal to the birth rate minus the death rate, divided by the population and multiplied by 100%.
