-3.62% is the change from 497 to 479
Calculation steps:
[( 479 - 497 ) ÷ 497] x 100 = -3.62%
Formula
Percentage change = [(479 - 497) / 497] x 100
Subtract the new number by the original number
479 - 497 = -18
-18 ÷ 497 = -0.03621730382293763
-0.03621730382293763 x 100 = -3.62%