-66.19% is the change from 973 to 329
Calculation steps:
[( 329 - 973 ) ÷ 973] x 100 = -66.19%
Formula
Percentage change = [(329 - 973) / 973] x 100
Subtract the new number by the original number
329 - 973 = -644
-644 ÷ 973 = -0.6618705035971223
-0.6618705035971223 x 100 = -66.19%