-10% is the change from 490 to 441
Calculation steps:
[( 441 - 490 ) ÷ 490] x 100 = -10%
Formula
Percentage change = [(441 - 490) / 490] x 100
Subtract the new number by the original number
441 - 490 = -49
-49 ÷ 490 = -0.1
-0.1 x 100 = -10%
Example