-54.85% is the change from 618 to 279
Calculation steps:
[( 279 - 618 ) ÷ 618] x 100 = -54.85%
Formula
Percentage change = [(279 - 618) / 618] x 100
Subtract the new number by the original number
279 - 618 = -339
-339 ÷ 618 = -0.5485436893203883
-0.5485436893203883 x 100 = -54.85%