If in Cents

Dividend = Total shares x Dividend paid

For example dividend paid 40 cents tax exempted. And you have 1000 shares

Dividend = RM 0.40 x 1000 = RM 400


If in Percentage

Dividend = Par Value x Dividend paid x Total shares

For example dividend paid 40% tax exempted. You have 1000 shares and the par value is RM 1

Dividend = RM 1 x 40% x 1000
= RM 400

if the par value is RM 0.50

Dividend = RM 0.50 x 40% x 1000
= RM 200