-40.36% is the change from 835 to 498
Calculation steps:
[( 498 - 835 ) ÷ 835] x 100 = -40.36%
Formula
Percentage change = [(498 - 835) / 835] x 100
Subtract the new number by the original number
498 - 835 = -337
-337 ÷ 835 = -0.4035928143712575
-0.4035928143712575 x 100 = -40.36%