Percentage difference is used for comparision of two numbers, where both numbers refer to the same kind of thing. e.g., comparing the cost per kg between two fruits.
Find percentage difference
Percentage difference is calculated with reference to one or both of the numbers being compared. In our calculation, the difference is relative to the average of the absolute value of two numbers. Formula used by the calculator on this page:-
Percentage difference (%) = |(A - B)| / Average * 100
Average = (|A| + |B|)/2
A - 1st number
B - 2nd number