-51.7% is the change from 559 to 270
Calculation steps:
[( 270 - 559 ) ÷ 559] x 100 = -51.7%
Formula
Percentage change = [(270 - 559) / 559] x 100
Subtract the new number by the original number
270 - 559 = -289
-289 ÷ 559 = -0.516994633273703
-0.516994633273703 x 100 = -51.7%