1610% is the change from 30 to 513
Calculation steps:
[( 513 - 30 ) ÷ 30] x 100 = 1610%
Formula
Percentage change = [(513 - 30) / 30] x 100
Subtract the new number by the original number
513 - 30 = 483
483 ÷ 30 = 16.1
16.1 x 100 = 1610%
Example