8091.67% is the change from 12 to 983
Calculation steps:
[( 983 - 12 ) ÷ 12] x 100 = 8091.67%
Formula
Percentage change = [(983 - 12) / 12] x 100
Subtract the new number by the original number
983 - 12 = 971
971 ÷ 12 = 80.91666666666667
80.91666666666667 x 100 = 8091.67%