-14.83% is the change from 998 to 850
Calculation steps:
[( 850 - 998 ) ÷ 998] x 100 = -14.83%
Formula
Percentage change = [(850 - 998) / 998] x 100
Subtract the new number by the original number
850 - 998 = -148
-148 ÷ 998 = -0.14829659318637275
-0.14829659318637275 x 100 = -14.83%