How do you find a result of two consecutive percentage changes applied by a given number?

Answer 1

Finding for say 10% and added 10% of 1000?

First find the 10% of 1000

= 100

Then find 10% of 100

=10

SO the result for this consecutive percentage would be 110 and it comes out to be 11 %. SO the formula comes out to be

x% + (x%-1) = answer

* * * * *

I am not at all sure what question the above is answering!

If you apply percentage changes of x% and y%, to a value, A

you get A*(1+x/100)*(1+y/100)]

= A*[1 + x/100 + y/100 + xy/10000]

So the combined effect is that of a single percentage change of (x + y + xy/100) %