2373.33% is the change from 30 to 742
Calculation steps:
[( 742 - 30 ) ÷ 30] x 100 = 2373.33%
Formula
Percentage change = [(742 - 30) / 30] x 100
Subtract the new number by the original number
742 - 30 = 712
712 ÷ 30 = 23.733333333333334
23.733333333333334 x 100 = 2373.33%