The Bar graph shown below presents the number of employees in an office during eight consecutive years.

The number of employees in year Y2 is how much percent less than average number of employees per year?

29.57%

⇒ Average number of employees = \(\frac{2262 + 3485 + 4342 + 4801+5326+5918+6426+7028 }{8}\)

=  \(\frac{ 39588 }{8}\)

=  4948.5

⇒ Number of employee in Y2 = 3485

⇒ Required percentage = \(\frac{4948.5 - 3485 }{3485}\) × 100

= \(\frac{ 1463.5 }{4948.5}\) × 100

= 29.57%