-1.71% is the change from 993 to 976
Calculation steps:
[( 976 - 993 ) ÷ 993] x 100 = -1.71%
Formula
Percentage change = [(976 - 993) / 993] x 100
Subtract the new number by the original number
976 - 993 = -17
-17 ÷ 993 = -0.017119838872104734
-0.017119838872104734 x 100 = -1.71%