<u>Answer: </u>
A count went up from 450 to 600.The percentage increase was approximately 33%.
<u>Solution:
</u>
Given that a count went up from 450 to 600
Initial value of count = 450
Final value of count = 600
We need to calculate percentage increase in count
Percentage increase is calculated by dividing the difference of final value of count and initial value of count by initial value and multiplied by 100

On substituting the values, we get

On simplifying,

Hence the percentage increase was approximately 33%.