-71.26% is the change from 842 to 242
Calculation steps:
[( 242 - 842 ) ÷ 842] x 100 = -71.26%
Formula
Percentage change = [(242 - 842) / 842] x 100
Subtract the new number by the original number
242 - 842 = -600
-600 ÷ 842 = -0.7125890736342043
-0.7125890736342043 x 100 = -71.26%