-16.73% is the change from 490 to 408
Calculation steps:
[( 408 - 490 ) ÷ 490] x 100 = -16.73%
Formula
Percentage change = [(408 - 490) / 490] x 100
Subtract the new number by the original number
408 - 490 = -82
-82 ÷ 490 = -0.1673469387755102
-0.1673469387755102 x 100 = -16.73%