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.