-66.5% is the change from 973 to 326
Calculation steps:
[( 326 - 973 ) ÷ 973] x 100 = -66.5%
Formula
Percentage change = [(326 - 973) / 973] x 100
Subtract the new number by the original number
326 - 973 = -647
-647 ÷ 973 = -0.6649537512846866
-0.6649537512846866 x 100 = -66.5%