1710% is the change from 30 to 543
Calculation steps:
[( 543 - 30 ) ÷ 30] x 100 = 1710%
Formula
Percentage change = [(543 - 30) / 30] x 100
Subtract the new number by the original number
543 - 30 = 513
513 ÷ 30 = 17.1
17.1 x 100 = 1710%
Example