-12.2% is the change from 549 to 482
Calculation steps:
[( 482 - 549 ) ÷ 549] x 100 = -12.2%
Formula
Percentage change = [(482 - 549) / 549] x 100
Subtract the new number by the original number
482 - 549 = -67
-67 ÷ 549 = -0.122040072859745
-0.122040072859745 x 100 = -12.2%