Answer:
Percentage change=75% .
Step-by-step explanation:
Given : $16 to $4
To find: What is the percent change .
Solution: We have given that $16 to $4 .
Change = final value - initial value .
Change = $16 - $4
=$12
percentage change = 
= 
On dividing both number by 4
percentage change=. 
percentage change=. [tex]\frac{300}{4} .
percentage change=75% .
Therefore, percentage change=75% .