To find x as a percentage of y all you do is multiply x by 100 and divide the answer by y.
eg 12 as a percentage of 240?
(12 x 100)/240 = 1200/240 = 5 so 12 is 5% of 240.
There can be two meanings to "percentage difference". See the explanation here at the related link.
"Difference" is a binary operation. It is defined in the context of two numbers - you do not have a difference of three numbers. And that applies in absolute terms or percentage terms.
You cannot. Percentage is a binary operator: you input two numbers and get one number as a percentage of the other or, equivalently, the percentage change from one to the other.
3.5 and -1.5
18 and 15
To find the difference between the two numbers in percent form
There can be two meanings to "percentage difference". See the explanation here at the related link.
"Difference" is a binary operation. It is defined in the context of two numbers - you do not have a difference of three numbers. And that applies in absolute terms or percentage terms.
3 and 15
to subtact the two numbers
- 1 and 5.
12
You cannot. Percentage is a binary operator: you input two numbers and get one number as a percentage of the other or, equivalently, the percentage change from one to the other.
2 and 3 are the first two prime numbers. The difference between them is 1
12 and 24!
8 & 12
0.4 and 2.