-82.16% is the change from 998 to 178
Calculation steps:
[( 178 - 998 ) ÷ 998] x 100 = -82.16%
Formula
Percentage change = [(178 - 998) / 998] x 100
Subtract the new number by the original number
178 - 998 = -820
-820 ÷ 998 = -0.8216432865731463
-0.8216432865731463 x 100 = -82.16%