1389.09% is the change from 55 to 819
Calculation steps:
[( 819 - 55 ) ÷ 55] x 100 = 1389.09%
Formula
Percentage change = [(819 - 55) / 55] x 100
Subtract the new number by the original number
819 - 55 = 764
764 ÷ 55 = 13.89090909090909
13.89090909090909 x 100 = 1389.09%