2153.33% is the change from 30 to 676
Calculation steps:
[( 676 - 30 ) ÷ 30] x 100 = 2153.33%
Formula
Percentage change = [(676 - 30) / 30] x 100
Subtract the new number by the original number
676 - 30 = 646
646 ÷ 30 = 21.533333333333335
21.533333333333335 x 100 = 2153.33%