1633.33% is the change from 30 to 520
Calculation steps:
[( 520 - 30 ) ÷ 30] x 100 = 1633.33%
Formula
Percentage change = [(520 - 30) / 30] x 100
Subtract the new number by the original number
520 - 30 = 490
490 ÷ 30 = 16.333333333333332
16.333333333333332 x 100 = 1633.33%