-1.01% is the change from 496 to 491
Calculation steps:
[( 491 - 496 ) ÷ 496] x 100 = -1.01%
Formula
Percentage change = [(491 - 496) / 496] x 100
Subtract the new number by the original number
491 - 496 = -5
-5 ÷ 496 = -0.010080645161290322
-0.010080645161290322 x 100 = -1.01%