-29.97% is the change from 981 to 687
Calculation steps:
[( 687 - 981 ) ÷ 981] x 100 = -29.97%
Formula
Percentage change = [(687 - 981) / 981] x 100
Subtract the new number by the original number
687 - 981 = -294
-294 ÷ 981 = -0.2996941896024465
-0.2996941896024465 x 100 = -29.97%