-32.17% is the change from 973 to 660
Calculation steps:
[( 660 - 973 ) ÷ 973] x 100 = -32.17%
Formula
Percentage change = [(660 - 973) / 973] x 100
Subtract the new number by the original number
660 - 973 = -313
-313 ÷ 973 = -0.32168550873586843
-0.32168550873586843 x 100 = -32.17%