2063.33% is the change from 30 to 649
Calculation steps:
[( 649 - 30 ) ÷ 30] x 100 = 2063.33%
Formula
Percentage change = [(649 - 30) / 30] x 100
Subtract the new number by the original number
649 - 30 = 619
619 ÷ 30 = 20.633333333333333
20.633333333333333 x 100 = 2063.33%