-6.55% is the change from 993 to 928
Calculation steps:
[( 928 - 993 ) ÷ 993] x 100 = -6.55%
Formula
Percentage change = [(928 - 993) / 993] x 100
Subtract the new number by the original number
928 - 993 = -65
-65 ÷ 993 = -0.06545820745216516
-0.06545820745216516 x 100 = -6.55%