6758.33% is the change from 12 to 823
Calculation steps:
[( 823 - 12 ) ÷ 12] x 100 = 6758.33%
Formula
Percentage change = [(823 - 12) / 12] x 100
Subtract the new number by the original number
823 - 12 = 811
811 ÷ 12 = 67.58333333333333
67.58333333333333 x 100 = 6758.33%