-98.78% is the change from 983 to 12
Calculation steps:
[( 12 - 983 ) ÷ 983] x 100 = -98.78%
Formula
Percentage change = [(12 - 983) / 983] x 100
Subtract the new number by the original number
12 - 983 = -971
-971 ÷ 983 = -0.987792472024415
-0.987792472024415 x 100 = -98.78%