1543.33% is the change from 30 to 493
Calculation steps:
[( 493 - 30 ) ÷ 30] x 100 = 1543.33%
Formula
Percentage change = [(493 - 30) / 30] x 100
Subtract the new number by the original number
493 - 30 = 463
463 ÷ 30 = 15.433333333333334
15.433333333333334 x 100 = 1543.33%