-14.73% is the change from 998 to 851
Calculation steps:
[( 851 - 998 ) ÷ 998] x 100 = -14.73%
Formula
Percentage change = [(851 - 998) / 998] x 100
Subtract the new number by the original number
851 - 998 = -147
-147 ÷ 998 = -0.14729458917835672
-0.14729458917835672 x 100 = -14.73%