-53.37% is the change from 579 to 270
Calculation steps:
[( 270 - 579 ) ÷ 579] x 100 = -53.37%
Formula
Percentage change = [(270 - 579) / 579] x 100
Subtract the new number by the original number
270 - 579 = -309
-309 ÷ 579 = -0.533678756476684
-0.533678756476684 x 100 = -53.37%