1626.67% is the change from 30 to 518
Calculation steps:
[( 518 - 30 ) ÷ 30] x 100 = 1626.67%
Formula
Percentage change = [(518 - 30) / 30] x 100
Subtract the new number by the original number
518 - 30 = 488
488 ÷ 30 = 16.266666666666666
16.266666666666666 x 100 = 1626.67%