-50.53% is the change from 564 to 279
Calculation steps:
[( 279 - 564 ) ÷ 564] x 100 = -50.53%
Formula
Percentage change = [(279 - 564) / 564] x 100
Subtract the new number by the original number
279 - 564 = -285
-285 ÷ 564 = -0.5053191489361702
-0.5053191489361702 x 100 = -50.53%