1683.33% is the change from 30 to 535
Calculation steps:
[( 535 - 30 ) ÷ 30] x 100 = 1683.33%
Formula
Percentage change = [(535 - 30) / 30] x 100
Subtract the new number by the original number
535 - 30 = 505
505 ÷ 30 = 16.833333333333332
16.833333333333332 x 100 = 1683.33%