-59.57% is the change from 831 to 336
Calculation steps:
[( 336 - 831 ) ÷ 831] x 100 = -59.57%
Formula
Percentage change = [(336 - 831) / 831] x 100
Subtract the new number by the original number
336 - 831 = -495
-495 ÷ 831 = -0.5956678700361011
-0.5956678700361011 x 100 = -59.57%