-42.41% is the change from 856 to 493
Calculation steps:
[( 493 - 856 ) ÷ 856] x 100 = -42.41%
Formula
Percentage change = [(493 - 856) / 856] x 100
Subtract the new number by the original number
493 - 856 = -363
-363 ÷ 856 = -0.42406542056074764
-0.42406542056074764 x 100 = -42.41%