2273.33% is the change from 30 to 712
Calculation steps:
[( 712 - 30 ) ÷ 30] x 100 = 2273.33%
Formula
Percentage change = [(712 - 30) / 30] x 100
Subtract the new number by the original number
712 - 30 = 682
682 ÷ 30 = 22.733333333333334
22.733333333333334 x 100 = 2273.33%