-58.85% is the change from 836 to 344
Calculation steps:
[( 344 - 836 ) ÷ 836] x 100 = -58.85%
Formula
Percentage change = [(344 - 836) / 836] x 100
Subtract the new number by the original number
344 - 836 = -492
-492 ÷ 836 = -0.5885167464114832
-0.5885167464114832 x 100 = -58.85%