Question

how do you find percent change? i have a problem 20 to 18 how do you know how to find the change?

Answer 1

plz help

Answer 2

http://www.mathgoodies.com/lessons/percent/change.html

Answer 3

Should be a good explanation.

Answer 4

If you're still unsure feel free to ask more questions =)

Answer 5

change in value
------------- x100 ; i believe
original value

Answer 6

Yep. Or the way I think about it:

\[A_i - A_ip = A_f\]

Where p is the percent change.

Answer 7

cool; celtic runes :)

Answer 8

And \(A_i\) is initial amount and \(A_f\) is final amount.