-7.13% is the change from 491 to 456
Calculation steps:
[( 456 - 491 ) ÷ 491] x 100 = -7.13%
Formula
Percentage change = [(456 - 491) / 491] x 100
Subtract the new number by the original number
456 - 491 = -35
-35 ÷ 491 = -0.07128309572301425
-0.07128309572301425 x 100 = -7.13%