1029.09% is the change from 55 to 621
Calculation steps:
[( 621 - 55 ) ÷ 55] x 100 = 1029.09%
Formula
Percentage change = [(621 - 55) / 55] x 100
Subtract the new number by the original number
621 - 55 = 566
566 ÷ 55 = 10.290909090909091
10.290909090909091 x 100 = 1029.09%