-41.1% is the change from 837 to 493
Calculation steps:
[( 493 - 837 ) ÷ 837] x 100 = -41.1%
Formula
Percentage change = [(493 - 837) / 837] x 100
Subtract the new number by the original number
493 - 837 = -344
-344 ÷ 837 = -0.4109916367980884
-0.4109916367980884 x 100 = -41.1%