-41.69% is the change from 842 to 491
Calculation steps:
[( 491 - 842 ) ÷ 842] x 100 = -41.69%
Formula
Percentage change = [(491 - 842) / 842] x 100
Subtract the new number by the original number
491 - 842 = -351
-351 ÷ 842 = -0.4168646080760095
-0.4168646080760095 x 100 = -41.69%