1720% is the change from 30 to 546
Calculation steps:
[( 546 - 30 ) ÷ 30] x 100 = 1720%
Formula
Percentage change = [(546 - 30) / 30] x 100
Subtract the new number by the original number
546 - 30 = 516
516 ÷ 30 = 17.2
17.2 x 100 = 1720%
Example