-98.78% is the change from 981 to 12
Calculation steps:
[( 12 - 981 ) ÷ 981] x 100 = -98.78%
Formula
Percentage change = [(12 - 981) / 981] x 100
Subtract the new number by the original number
12 - 981 = -969
-969 ÷ 981 = -0.9877675840978594
-0.9877675840978594 x 100 = -98.78%