-17.13% is the change from 981 to 813
Calculation steps:
[( 813 - 981 ) ÷ 981] x 100 = -17.13%
Formula
Percentage change = [(813 - 981) / 981] x 100
Subtract the new number by the original number
813 - 981 = -168
-168 ÷ 981 = -0.1712538226299694
-0.1712538226299694 x 100 = -17.13%