-41.05% is the change from 838 to 494
Calculation steps:
[( 494 - 838 ) ÷ 838] x 100 = -41.05%
Formula
Percentage change = [(494 - 838) / 838] x 100
Subtract the new number by the original number
494 - 838 = -344
-344 ÷ 838 = -0.4105011933174224
-0.4105011933174224 x 100 = -41.05%