-1.01% is the change from 993 to 983
Calculation steps:
[( 983 - 993 ) ÷ 993] x 100 = -1.01%
Formula
Percentage change = [(983 - 993) / 993] x 100
Subtract the new number by the original number
983 - 993 = -10
-10 ÷ 993 = -0.010070493454179255
-0.010070493454179255 x 100 = -1.01%