Formula for profit and loss % -

% = [ X - Y - ( X Y / 100) ] %

Example-

A shopkeeper marks his goods '44%' above the cost price and gives '10%' discount. Find profit or loss %.

Putting the value in formula-

% = [ X - Y - ( X Y / 100) ] %

% = [44 - 10 - (44 * 10 / 100)]

% = [34 - 4.4]

% = 29.6

Profit % will Be 29.6%.