-52.78% is the change from 593 to 280
Calculation steps:
[( 280 - 593 ) ÷ 593] x 100 = -52.78%
Formula
Percentage change = [(280 - 593) / 593] x 100
Subtract the new number by the original number
280 - 593 = -313
-313 ÷ 593 = -0.5278246205733558
-0.5278246205733558 x 100 = -52.78%