-7.81% is the change from 538 to 496
Calculation steps:
[( 496 - 538 ) ÷ 538] x 100 = -7.81%
Formula
Percentage change = [(496 - 538) / 538] x 100
Subtract the new number by the original number
496 - 538 = -42
-42 ÷ 538 = -0.07806691449814127
-0.07806691449814127 x 100 = -7.81%