-59.73% is the change from 817 to 329
Calculation steps:
[( 329 - 817 ) ÷ 817] x 100 = -59.73%
Formula
Percentage change = [(329 - 817) / 817] x 100
Subtract the new number by the original number
329 - 817 = -488
-488 ÷ 817 = -0.5973072215422277
-0.5973072215422277 x 100 = -59.73%