How to divide row 1 by row 2 in Pivot or straight table

[#1]

Hi

Code	Region	Amount	Result
1	a	20
2	b	2	10
3	a	30
4	b	3	10
5	a	40	5
6	b	8
7	a	60
8	b	4	15

i want to divide region  = a/b that means 20/2 = 10 result

please help on this

[sunny_talwar]

Since your other post has already been answered, I suggest marking this as 'Assumed Answer' or delete it

How to divide row 1 by row 2 in Pivot or straight table