1740% is the change from 30 to 552
Calculation steps:
[( 552 - 30 ) ÷ 30] x 100 = 1740%
Formula
Percentage change = [(552 - 30) / 30] x 100
Subtract the new number by the original number
552 - 30 = 522
522 ÷ 30 = 17.4
17.4 x 100 = 1740%
Example