The number of cable tv systems recently decreased from 10,100 to 9,965. Find the percent decrease

Question

Help me 

Answer 1

Percent decrease = (change in value) / (original value)

 

change in value = 9965-10100 =-135

 

We will just use 135 because the negative just  that the value decreased

 

original value = 10100

 

So 135 / 10100 = .0134

 

This is a decrease of 1.34%