-3.22% is the change from 497 to 481
Calculation steps:
[( 481 - 497 ) ÷ 497] x 100 = -3.22%
Formula
Percentage change = [(481 - 497) / 497] x 100
Subtract the new number by the original number
481 - 497 = -16
-16 ÷ 497 = -0.03219315895372234
-0.03219315895372234 x 100 = -3.22%