Answer:
The percentage decrease = 18%.
Step-by-step explanation:
The formula used to find the percent change (increase or decrease) is:
[tex]\frac{original amount - new amount}{original amount}[/tex] x 100
Since the original amount of available credit is $750 and the new amount available is $615, we can use our formula above to calculate the percent decrease of available credit:
[tex]\frac{750-615}{750}=\frac{135}{750}[/tex] = .18 x 100 = 18%.