-60.65% is the change from 831 to 327
Calculation steps:
[( 327 - 831 ) ÷ 831] x 100 = -60.65%
Formula
Percentage change = [(327 - 831) / 831] x 100
Subtract the new number by the original number
327 - 831 = -504
-504 ÷ 831 = -0.6064981949458483
-0.6064981949458483 x 100 = -60.65%