-33.85% is the change from 842 to 557
Calculation steps:
[( 557 - 842 ) ÷ 842] x 100 = -33.85%
Formula
Percentage change = [(557 - 842) / 842] x 100
Subtract the new number by the original number
557 - 842 = -285
-285 ÷ 842 = -0.33847980997624705
-0.33847980997624705 x 100 = -33.85%