-48.09% is the change from 942 to 489
Calculation steps:
[( 489 - 942 ) ÷ 942] x 100 = -48.09%
Formula
Percentage change = [(489 - 942) / 942] x 100
Subtract the new number by the original number
489 - 942 = -453
-453 ÷ 942 = -0.48089171974522293
-0.48089171974522293 x 100 = -48.09%