-71.62% is the change from 842 to 239
Calculation steps:
[( 239 - 842 ) ÷ 842] x 100 = -71.62%
Formula
Percentage change = [(239 - 842) / 842] x 100
Subtract the new number by the original number
239 - 842 = -603
-603 ÷ 842 = -0.7161520190023754
-0.7161520190023754 x 100 = -71.62%