A factory has four departments, Human Resource, Marketing, Sales and Information and Technology.

The expenses of all departments are shown in the table given below (in thousands).

The total expenditure of Human Resource is how much percent less than the expenditure of Information Technology department in the year 2015 and 2016 together?

76.66%

Expenditure on Human Resource = 20 + 15 = 35

Expenditure on Information Technology = 80 + 70 = 150

Difference = 150 - 35 = 115

Required percentage = \(\frac{115}{150}\) × 100 = 76.66%