-16.44% is the change from 973 to 813
Calculation steps:
[( 813 - 973 ) ÷ 973] x 100 = -16.44%
Formula
Percentage change = [(813 - 973) / 973] x 100
Subtract the new number by the original number
813 - 973 = -160
-160 ÷ 973 = -0.1644398766700925
-0.1644398766700925 x 100 = -16.44%