Sumwise

What is the Percentage Difference from 42 to 47?

From 42 to 47 is a 11.9048% increase

Change
11.9048%
Difference
5
New ÷ old
1.119048
Direction
increase

Sumwise · Data: exact arithmetic; unit definitions from NIST SP 811 · Updated · How we check it

How to work it out

  1. Difference: 47 − 42 = 5
  2. Divide by the starting value: 5 ÷ 42 = 0.119048
  3. Multiply by 100: 11.9048%
  4. Check: Work forwards from the start: 42 × (1 + 0.119048) = 42 × 1.119048 = 47.

In a spreadsheet: =(47-42)/42*100. Always divide by the starting value, not the new one. A rise from 40 to 50 is +25%, but the fall from 50 back to 40 is −20%.

What the result means

The new value is 1.119 times the old one: for every 100 at the start there are now 111.9048.

Prices: an item whose price rises from $42 to $47 has gone up by 11.9048%.

Why the change back is different

A 11.9048% rise followed by a 11.9048% fall does not bring you back to 42: it gives 41.4048. The second percentage is taken of 47, not of 42, so to undo this change you need 10.6383% instead.

Related results

Results for nearby numbers
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From 42 to 45 is a 7.1429% increase

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From 42 to 46 is a 9.5238% increase

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From 42 to 48 is a 14.2857% increase

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From 42 to 49 is a 16.6667% increase

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From 42 to 57 is a 35.7143% increase

The other way round: Percentage difference from 47 to 42

Practice

9 to 25
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From 9 to 25 is a 177.7778% increase

50 to 42
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From 50 to 42 is a 16% decrease

18 to 59
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From 18 to 59 is a 227.7778% increase

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From 83 to 87 is a 4.8193% increase

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From 84 to 36 is a 57.1429% decrease

75 to 98
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From 75 to 98 is a 30.6667% increase

Calculate another

How answers are calculated and checked: methodology.

Questions

What is the Percentage Difference from 42 to 47?

Going from 42 to 47 is a 11.9048% increase. Formula and steps.

Is going from 42 to 47 an increase or a decrease?

An increase: the value grew by 5, which is 11.9048% of the starting value.

What is the percentage change from 47 back to 42?

-10.6383%. It is a different number because the starting value is now 47, not 42.