1623.33% is the change from 30 to 517
Calculation steps:
[( 517 - 30 ) ÷ 30] x 100 = 1623.33%
Formula
Percentage change = [(517 - 30) / 30] x 100
Subtract the new number by the original number
517 - 30 = 487
487 ÷ 30 = 16.233333333333334
16.233333333333334 x 100 = 1623.33%