-48.3% is the change from 940 to 486
Calculation steps:
[( 486 - 940 ) ÷ 940] x 100 = -48.3%
Formula
Percentage change = [(486 - 940) / 940] x 100
Subtract the new number by the original number
486 - 940 = -454
-454 ÷ 940 = -0.4829787234042553
-0.4829787234042553 x 100 = -48.3%