-61.66% is the change from 858 to 329
Calculation steps:
[( 329 - 858 ) ÷ 858] x 100 = -61.66%
Formula
Percentage change = [(329 - 858) / 858] x 100
Subtract the new number by the original number
329 - 858 = -529
-529 ÷ 858 = -0.6165501165501166
-0.6165501165501166 x 100 = -61.66%