-39.36% is the change from 808 to 490
Calculation steps:
[( 490 - 808 ) ÷ 808] x 100 = -39.36%
Formula
Percentage change = [(490 - 808) / 808] x 100
Subtract the new number by the original number
490 - 808 = -318
-318 ÷ 808 = -0.3935643564356436
-0.3935643564356436 x 100 = -39.36%