-9.47% is the change from 993 to 899
Calculation steps:
[( 899 - 993 ) ÷ 993] x 100 = -9.47%
Formula
Percentage change = [(899 - 993) / 993] x 100
Subtract the new number by the original number
899 - 993 = -94
-94 ÷ 993 = -0.094662638469285
-0.094662638469285 x 100 = -9.47%