808.33% is the change from 12 to 109
Calculation steps:
[( 109 - 12 ) ÷ 12] x 100 = 808.33%
Formula
Percentage change = [(109 - 12) / 12] x 100
Subtract the new number by the original number
109 - 12 = 97
97 ÷ 12 = 8.083333333333334
8.083333333333334 x 100 = 808.33%