-51.98% is the change from 581 to 279
Calculation steps:
[( 279 - 581 ) ÷ 581] x 100 = -51.98%
Formula
Percentage change = [(279 - 581) / 581] x 100
Subtract the new number by the original number
279 - 581 = -302
-302 ÷ 581 = -0.5197934595524957
-0.5197934595524957 x 100 = -51.98%