-97.64% is the change from 973 to 23
Calculation steps:
[( 23 - 973 ) ÷ 973] x 100 = -97.64%
Formula
Percentage change = [(23 - 973) / 973] x 100
Subtract the new number by the original number
23 - 973 = -950
-950 ÷ 973 = -0.9763617677286742
-0.9763617677286742 x 100 = -97.64%