-15.63% is the change from 998 to 842
Calculation steps:
[( 842 - 998 ) ÷ 998] x 100 = -15.63%
Formula
Percentage change = [(842 - 998) / 998] x 100
Subtract the new number by the original number
842 - 998 = -156
-156 ÷ 998 = -0.156312625250501
-0.156312625250501 x 100 = -15.63%