6708.33% is the change from 12 to 817
Calculation steps:
[( 817 - 12 ) ÷ 12] x 100 = 6708.33%
Formula
Percentage change = [(817 - 12) / 12] x 100
Subtract the new number by the original number
817 - 12 = 805
805 ÷ 12 = 67.08333333333333
67.08333333333333 x 100 = 6708.33%