-60.69% is the change from 842 to 331
Calculation steps:
[( 331 - 842 ) ÷ 842] x 100 = -60.69%
Formula
Percentage change = [(331 - 842) / 842] x 100
Subtract the new number by the original number
331 - 842 = -511
-511 ÷ 842 = -0.6068883610451307
-0.6068883610451307 x 100 = -60.69%