-49.64% is the change from 554 to 279
Calculation steps:
[( 279 - 554 ) ÷ 554] x 100 = -49.64%
Formula
Percentage change = [(279 - 554) / 554] x 100
Subtract the new number by the original number
279 - 554 = -275
-275 ÷ 554 = -0.4963898916967509
-0.4963898916967509 x 100 = -49.64%