-12.5% is the change from 496 to 434
Calculation steps:
[( 434 - 496 ) ÷ 496] x 100 = -12.5%
Formula
Percentage change = [(434 - 496) / 496] x 100
Subtract the new number by the original number
434 - 496 = -62
-62 ÷ 496 = -0.125
-0.125 x 100 = -12.5%