2083.33% is the change from 30 to 655
Calculation steps:
[( 655 - 30 ) ÷ 30] x 100 = 2083.33%
Formula
Percentage change = [(655 - 30) / 30] x 100
Subtract the new number by the original number
655 - 30 = 625
625 ÷ 30 = 20.833333333333332
20.833333333333332 x 100 = 2083.33%