0.6% is the change from 993 to 999
Calculation steps:
[( 999 - 993 ) ÷ 993] x 100 = 0.6%
Formula
Percentage change = [(999 - 993) / 993] x 100
Subtract the new number by the original number
999 - 993 = 6
6 ÷ 993 = 0.006042296072507553
0.006042296072507553 x 100 = 0.6%