704.9% is the change from 102 to 821
Calculation steps:
[( 821 - 102 ) ÷ 102] x 100 = 704.9%
Formula
Percentage change = [(821 - 102) / 102] x 100
Subtract the new number by the original number
821 - 102 = 719
719 ÷ 102 = 7.049019607843137
7.049019607843137 x 100 = 704.9%