1690% is the change from 30 to 537
Calculation steps:
[( 537 - 30 ) ÷ 30] x 100 = 1690%
Formula
Percentage change = [(537 - 30) / 30] x 100
Subtract the new number by the original number
537 - 30 = 507
507 ÷ 30 = 16.9
16.9 x 100 = 1690%
Example