-4.66% is the change from 515 to 491
Calculation steps:
[( 491 - 515 ) ÷ 515] x 100 = -4.66%
Formula
Percentage change = [(491 - 515) / 515] x 100
Subtract the new number by the original number
491 - 515 = -24
-24 ÷ 515 = -0.04660194174757282
-0.04660194174757282 x 100 = -4.66%