1449.06% is the change from 53 to 821
Calculation steps:
[( 821 - 53 ) ÷ 53] x 100 = 1449.06%
Formula
Percentage change = [(821 - 53) / 53] x 100
Subtract the new number by the original number
821 - 53 = 768
768 ÷ 53 = 14.49056603773585
14.49056603773585 x 100 = 1449.06%