1392.73% is the change from 55 to 821
Calculation steps:
[( 821 - 55 ) ÷ 55] x 100 = 1392.73%
Formula
Percentage change = [(821 - 55) / 55] x 100
Subtract the new number by the original number
821 - 55 = 766
766 ÷ 55 = 13.927272727272728
13.927272727272728 x 100 = 1392.73%