A change from one number to another (old price and new price) expresses the change as an increase or decrease. The increase or decrease in the price levels of the products over a time period is the price increase or decrease. An online percentage change calculator to calculate the difference in price expressed in percentage. Enter the new price value and old price value in the below Percentage change increase / decrease calculator to find the price difference.
Calculate the price difference for old price of Rs. 25 and new price of Rs. 50.
%Δp =( ( P1 - P2) / P2 ) * 100
= ((50 - 25) / 25 )x 100
= 100 %