-96.81% is the change from 973 to 31
Calculation steps:
[( 31 - 973 ) ÷ 973] x 100 = -96.81%
Formula
Percentage change = [(31 - 973) / 973] x 100
Subtract the new number by the original number
31 - 973 = -942
-942 ÷ 973 = -0.9681397738951696
-0.9681397738951696 x 100 = -96.81%