-12.04% is the change from 548 to 482
Calculation steps:
[( 482 - 548 ) ÷ 548] x 100 = -12.04%
Formula
Percentage change = [(482 - 548) / 548] x 100
Subtract the new number by the original number
482 - 548 = -66
-66 ÷ 548 = -0.12043795620437957
-0.12043795620437957 x 100 = -12.04%