Work out the increase in price from £1.50 to £2.00 as a percentage.
To find the increase in price, you have to find the change in price and then compare that to the original price. The change in price is found by doing new price-old price (£2.00-£1.50=£0.50). You then find it as a percentage of the original price, so (0.50/1.50)*100=33.3%.
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