-66.56% is the change from 981 to 328
Calculation steps:
[( 328 - 981 ) ÷ 981] x 100 = -66.56%
Formula
Percentage change = [(328 - 981) / 981] x 100
Subtract the new number by the original number
328 - 981 = -653
-653 ÷ 981 = -0.6656472986748216
-0.6656472986748216 x 100 = -66.56%