13583.33% is the change from 6 to 821
Calculation steps:
[( 821 - 6 ) ÷ 6] x 100 = 13583.33%
Formula
Percentage change = [(821 - 6) / 6] x 100
Subtract the new number by the original number
821 - 6 = 815
815 ÷ 6 = 135.83333333333334
135.83333333333334 x 100 = 13583.33%