Sumwise

What is the Percentage Difference from 43 to 31?

From 43 to 31 is a 27.907% decrease

Change
-27.907%
Difference
-12
New ÷ old
0.72093
Direction
decrease

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

How to work it out

  1. Difference: 31 − 43 = -12
  2. Divide by the starting value: -12 ÷ 43 = -0.27907
  3. Multiply by 100: -27.907%
  4. Check: Work forwards from the start: 43 × (1 − 0.27907) = 43 × 0.72093 = 31.

In a spreadsheet: =(31-43)/43*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 72.093% of the old one: for every 100 at the start there are now 72.093, so 27.907 out of every 100 have gone.

Sales: a price cut from $43 to $31 is a 27.907% discount.

Why the change back is different

A 27.907% fall followed by a 27.907% rise does not bring you back to 43: it gives 39.6512. The second percentage is taken of 31, not of 43, so to undo this change you need 38.7097% instead.

Related results

Results for nearby numbers
43 to 29

From 43 to 29 is a 32.5581% decrease

43 to 30

From 43 to 30 is a 30.2326% decrease

43 to 32

From 43 to 32 is a 25.5814% decrease

43 to 33

From 43 to 33 is a 23.2558% decrease

43 to 41

From 43 to 41 is a 4.6512% decrease

The other way round: Percentage difference from 31 to 43

Practice

9 to 48
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From 9 to 48 is a 433.3333% increase

17 to 42
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From 17 to 42 is a 147.0588% increase

3 to 81
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From 3 to 81 is a 2,600% increase

4 to 2
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From 4 to 2 is a 50% decrease

50 to 45
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From 50 to 45 is a 10% decrease

30 to 54
Show answer

From 30 to 54 is a 80% increase

Calculate another

How answers are calculated and checked: methodology.

Questions

What is the Percentage Difference from 43 to 31?

Going from 43 to 31 is a 27.907% decrease. Formula and steps.

Is going from 43 to 31 an increase or a decrease?

A decrease: the value fell by 12, which is 27.907% of the starting value.

What is the percentage change from 31 back to 43?

38.7097%. It is a different number because the starting value is now 31, not 43.