-63.91% is the change from 942 to 340
Calculation steps:
[( 340 - 942 ) ÷ 942] x 100 = -63.91%
Formula
Percentage change = [(340 - 942) / 942] x 100
Subtract the new number by the original number
340 - 942 = -602
-602 ÷ 942 = -0.6390658174097664
-0.6390658174097664 x 100 = -63.91%