1383.64% is the change from 55 to 816
Calculation steps:
[( 816 - 55 ) ÷ 55] x 100 = 1383.64%
Formula
Percentage change = [(816 - 55) / 55] x 100
Subtract the new number by the original number
816 - 55 = 761
761 ÷ 55 = 13.836363636363636
13.836363636363636 x 100 = 1383.64%