-12.39% is the change from 549 to 481
Calculation steps:
[( 481 - 549 ) ÷ 549] x 100 = -12.39%
Formula
Percentage change = [(481 - 549) / 549] x 100
Subtract the new number by the original number
481 - 549 = -68
-68 ÷ 549 = -0.12386156648451731
-0.12386156648451731 x 100 = -12.39%