-43.8% is the change from 959 to 539
Calculation steps:
[( 539 - 959 ) ÷ 959] x 100 = -43.8%
Formula
Percentage change = [(539 - 959) / 959] x 100
Subtract the new number by the original number
539 - 959 = -420
-420 ÷ 959 = -0.43795620437956206
-0.43795620437956206 x 100 = -43.8%