8216.67% is the change from 12 to 998
Calculation steps:
[( 998 - 12 ) ÷ 12] x 100 = 8216.67%
Formula
Percentage change = [(998 - 12) / 12] x 100
Subtract the new number by the original number
998 - 12 = 986
986 ÷ 12 = 82.16666666666667
82.16666666666667 x 100 = 8216.67%