-60.65% is the change from 836 to 329
Calculation steps:
[( 329 - 836 ) ÷ 836] x 100 = -60.65%
Formula
Percentage change = [(329 - 836) / 836] x 100
Subtract the new number by the original number
329 - 836 = -507
-507 ÷ 836 = -0.6064593301435407
-0.6064593301435407 x 100 = -60.65%