-51.7% is the change from 942 to 455
Calculation steps:
[( 455 - 942 ) ÷ 942] x 100 = -51.7%
Formula
Percentage change = [(455 - 942) / 942] x 100
Subtract the new number by the original number
455 - 942 = -487
-487 ÷ 942 = -0.5169851380042463
-0.5169851380042463 x 100 = -51.7%