1560% is the change from 30 to 498
Calculation steps:
[( 498 - 30 ) ÷ 30] x 100 = 1560%
Formula
Percentage change = [(498 - 30) / 30] x 100
Subtract the new number by the original number
498 - 30 = 468
468 ÷ 30 = 15.6
15.6 x 100 = 1560%
Example