-52.32% is the change from 690 to 329
Calculation steps:
[( 329 - 690 ) ÷ 690] x 100 = -52.32%
Formula
Percentage change = [(329 - 690) / 690] x 100
Subtract the new number by the original number
329 - 690 = -361
-361 ÷ 690 = -0.5231884057971015
-0.5231884057971015 x 100 = -52.32%