-18.09% is the change from 973 to 797
Calculation steps:
[( 797 - 973 ) ÷ 973] x 100 = -18.09%
Formula
Percentage change = [(797 - 973) / 973] x 100
Subtract the new number by the original number
797 - 973 = -176
-176 ÷ 973 = -0.18088386433710174
-0.18088386433710174 x 100 = -18.09%