1993.33% is the change from 30 to 628
Calculation steps:
[( 628 - 30 ) ÷ 30] x 100 = 1993.33%
Formula
Percentage change = [(628 - 30) / 30] x 100
Subtract the new number by the original number
628 - 30 = 598
598 ÷ 30 = 19.933333333333334
19.933333333333334 x 100 = 1993.33%