SOLUTION: Percent change of 18 to 13 Is it a increase or a decrease?

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Question 1013034: Percent change of 18 to 13
Is it a increase or a decrease?
Found 2 solutions by Boreal, MathLover1:
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
18 to 13 is a decrease of 5/18 or 28%
per cent decrease is decrease/original amount.

Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

A change from 18 to 13 represents a negative change (decrease) of -27.8%.
change+=+%28%28+New_+Value-+Old_+Value++%29+%2F%28Old+Value%29%29100%
change+=+%28%28+13-+18+%29+%2F18%29100%
change+=+%28-5+%2F18%29100%
change+=+-500+%2F18%
change+=+-27.77777777777778%
change+=+-27.8%