What is the formula for finding the percentage between two numbers?

Answer 1

find the percent when the amount and base are known.

amount / base = percent

let

15 = amount

150 = base

Divide 15 by 150 to get the decimal

15 / 150 = 0.1

Multiply 100 times the decimal and attact the % symbol.

100 x 0.1 = 10 %

15 is 10 % of 150

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Answer 2

I have this all written out at my website. It is done using a very easy triangle. Once you see the triangle you will be able to answer all 3 types of % problems. Take a look.
When you get to the page scroll down it's near the bottom.
http://www.mysciencesite.com/horses.html

The line across the triangles is a dividing line. Take a minute and see how the triangles work. Once you see, you'll never forget.

Answer 3

Do you mean percentage increase or decrease between a pair of numbers?

you need to clarify your question and please be precise.

Answer 4

if the question is what percentage of y is x

ans- x/y*100