-17.43% is the change from 981 to 810
Calculation steps:
[( 810 - 981 ) ÷ 981] x 100 = -17.43%
Formula
Percentage change = [(810 - 981) / 981] x 100
Subtract the new number by the original number
810 - 981 = -171
-171 ÷ 981 = -0.1743119266055046
-0.1743119266055046 x 100 = -17.43%