660.19% is the change from 108 to 821
Calculation steps:
[( 821 - 108 ) ÷ 108] x 100 = 660.19%
Formula
Percentage change = [(821 - 108) / 108] x 100
Subtract the new number by the original number
821 - 108 = 713
713 ÷ 108 = 6.601851851851852
6.601851851851852 x 100 = 660.19%