Question

What is the percent change if the original number is 66 and the new number is 30?

Answer 1

`-54.55` (r.o to 2 decimal places)

Explanation:

Formula for percentage change =
(new number - original number)`/`original number `xx100`

`=(30-66)/66xx100`

`=-54.55%` (r.o to 2 decimal places)