The price of a pen is first increased by 15% and later on the price was decreased by 20% due to reduction in sales. Find the net percentage change in the final price of a pen.

25% 8% -8% -16%

-8%

Formula :- Net percentage change  = [A - B - \(\frac{A× B }{100}\)] % Net percentage change  = [15 - 20 - \(\frac{15× 20 }{100}\)] % = - 8% Ans = Decrease in 8%