-25.94% is the change from 663 to 491
Calculation steps:
[( 491 - 663 ) ÷ 663] x 100 = -25.94%
Formula
Percentage change = [(491 - 663) / 663] x 100
Subtract the new number by the original number
491 - 663 = -172
-172 ÷ 663 = -0.2594268476621418
-0.2594268476621418 x 100 = -25.94%