-47.88% is the change from 942 to 491
Calculation steps:
[( 491 - 942 ) ÷ 942] x 100 = -47.88%
Formula
Percentage change = [(491 - 942) / 942] x 100
Subtract the new number by the original number
491 - 942 = -451
-451 ÷ 942 = -0.47876857749469215
-0.47876857749469215 x 100 = -47.88%