-33.84% is the change from 981 to 649
Calculation steps:
[( 649 - 981 ) ÷ 981] x 100 = -33.84%
Formula
Percentage change = [(649 - 981) / 981] x 100
Subtract the new number by the original number
649 - 981 = -332
-332 ÷ 981 = -0.3384301732925586
-0.3384301732925586 x 100 = -33.84%