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The Problem

I am struggling to put percentage change into words in the following example:

The impact strength of A is 32.94. The impact strength of B is 42.24.

A is taken to be the reference value.

The percentage change is calculated as follows:

[(42.24-32.94)/32.94]*100 = 28%

So, I am wondering how to express the percentage change in words. Which, if any, of the following would be correct?

(i) There was a percentage increase of 28% in impact strength between A and B.

(ii) There was a percentage increase of 28% in impact strength between B and A.

(iii) There was a relative increase of 28% in impact strength in comparison to A.

(iv) There was a 28% increase in impact strength relative to A.

(v) The impact strength of B increased by 28% relative to A.

Note that B is not mentioned in (iii) or (iv), so I am a little concerned about this fact.

Please help me if you can.

Thank you.

  • 3
    The impact strength of B was 28% greater than A. – Nigel J Jan 23 '18 at 16:52
  • 1
    I was planning the suggest the EXACT same words as @NigelJ. :) – Ross Murray Jan 23 '18 at 16:55
  • Nigel's suggestion is concise and not open to misunderstanding. – Davo Jan 23 '18 at 17:15

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