-10.27% is the change from 993 to 891
Calculation steps:
[( 891 - 993 ) ÷ 993] x 100 = -10.27%
Formula
Percentage change = [(891 - 993) / 993] x 100
Subtract the new number by the original number
891 - 993 = -102
-102 ÷ 993 = -0.1027190332326284
-0.1027190332326284 x 100 = -10.27%