1923.33% is the change from 30 to 607
Calculation steps:
[( 607 - 30 ) ÷ 30] x 100 = 1923.33%
Formula
Percentage change = [(607 - 30) / 30] x 100
Subtract the new number by the original number
607 - 30 = 577
577 ÷ 30 = 19.233333333333334
19.233333333333334 x 100 = 1923.33%