-41.4% is the change from 843 to 494
Calculation steps:
[( 494 - 843 ) ÷ 843] x 100 = -41.4%
Formula
Percentage change = [(494 - 843) / 843] x 100
Subtract the new number by the original number
494 - 843 = -349
-349 ÷ 843 = -0.4139976275207592
-0.4139976275207592 x 100 = -41.4%