-40.16% is the change from 981 to 587
Calculation steps:
[( 587 - 981 ) ÷ 981] x 100 = -40.16%
Formula
Percentage change = [(587 - 981) / 981] x 100
Subtract the new number by the original number
587 - 981 = -394
-394 ÷ 981 = -0.4016309887869521
-0.4016309887869521 x 100 = -40.16%