Find the percent change and round to the nearest tenth. Please show work.

%Change =[New - Old] / Old x 100

 

[9 - 92] / 92 x 100 =-90.2% Decrease.

 

[96 - 24] / 24 x 100 =300% Increase.

 

[74 - 75] / 75  x 100 =-1.3% Decrease.

(a) 

 

92 - 9 / 92 which is about 0.9

 

Answer is a 90 percent change

 

(b)

 

absolute value of 24 - 96 / 24 which is 0.3

 

Thhe answer is a 30 percent change

 

(c) 

 

75 - 74 / 75 which is 0.013333....

 

Answer is a 1 percent change