SOLUTION: Identify as an increase or decrease. Then find the percent of increase or decrease. If necessary, round to the nearest tenth of a percent. Original: 170 New: 120 _____%

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Question 1083563: Identify as an increase or decrease. Then find the percent of increase or decrease. If necessary, round to the nearest tenth of a percent.
Original: 170
New: 120

_____% Decrease or Increase?
I put down 50% Since 170-120, but was told it was wrong. Can I get some help?

Answer by josgarithmetic(39625) About Me  (Show Source):
You can put this solution on YOUR website!
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Original: 170
New: 120
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theOriginal_170%3EtheNew_120
Obviously a decrease.

%28abs%28170-120%29%2F170%29100, the percent decrease

29.411765 % decrease