-47.14% is the change from 490 to 259
Calculation steps:
[( 259 - 490 ) ÷ 490] x 100 = -47.14%
Formula
Percentage change = [(259 - 490) / 490] x 100
Subtract the new number by the original number
259 - 490 = -231
-231 ÷ 490 = -0.4714285714285714
-0.4714285714285714 x 100 = -47.14%