-49.75% is the change from 981 to 493
Calculation steps:
[( 493 - 981 ) ÷ 981] x 100 = -49.75%
Formula
Percentage change = [(493 - 981) / 981] x 100
Subtract the new number by the original number
493 - 981 = -488
-488 ÷ 981 = -0.49745158002038736
-0.49745158002038736 x 100 = -49.75%