-48.3% is the change from 942 to 487
Calculation steps:
[( 487 - 942 ) ÷ 942] x 100 = -48.3%
Formula
Percentage change = [(487 - 942) / 942] x 100
Subtract the new number by the original number
487 - 942 = -455
-455 ÷ 942 = -0.4830148619957537
-0.4830148619957537 x 100 = -48.3%