1973.33% is the change from 30 to 622
Calculation steps:
[( 622 - 30 ) ÷ 30] x 100 = 1973.33%
Formula
Percentage change = [(622 - 30) / 30] x 100
Subtract the new number by the original number
622 - 30 = 592
592 ÷ 30 = 19.733333333333334
19.733333333333334 x 100 = 1973.33%