-89.73% is the change from 993 to 102
Calculation steps:
[( 102 - 993 ) ÷ 993] x 100 = -89.73%
Formula
Percentage change = [(102 - 993) / 993] x 100
Subtract the new number by the original number
102 - 993 = -891
-891 ÷ 993 = -0.8972809667673716
-0.8972809667673716 x 100 = -89.73%