-49.09% is the change from 548 to 279
Calculation steps:
[( 279 - 548 ) ÷ 548] x 100 = -49.09%
Formula
Percentage change = [(279 - 548) / 548] x 100
Subtract the new number by the original number
279 - 548 = -269
-269 ÷ 548 = -0.4908759124087591
-0.4908759124087591 x 100 = -49.09%