Find the approximate percentage increase in sales from 2002 to 2003?

Total sale from 2002 = 150

Total sale from 2003 = 200

required percentage = \(\frac{200 - 150  }{150}\) × 100

= \(\frac{50  }{150}\) × 100

= \(\frac{1  }{3}\) × 100

= 33.3%