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The soda increased by 20 cents over it's original cost of 80 cents. This is a 25% increase.
It increased by 10 cents. Take the increase and divide it by the original price: 10/5 = 2. Multiply this by 100 to get the percent increase: 2 x 100 = 200%.
This is a 16% increase.
20% increase
(new price-old price)/old price=%changed. (20.5-16.4)/16.4=4.1/16.4=25% increase.
It is: (20.5-16.4)/16.4 times 100 = 25% increase
That's a 20% increase in price. pervent increase = (new amount - old amount)/old amount = (60 - 50)/50 = 10/50 = 1/5 = 20%
It is: 20-5/5 times 100 = 300% increase
This is a decrease, not an increase. The change is -6.25%
3,900%
+300%
The price of a first class stamp in the US increased to 44 cents on May 11, 2009, from 42 cents previously.