-0.7% is the change from 1000 to 993
Calculation steps:
[( 993 - 1000 ) ÷ 1000] x 100 = -0.7%
Formula
Percentage change = [(993 - 1000) / 1000] x 100
Subtract the new number by the original number
993 - 1000 = -7
-7 ÷ 1000 = -0.007
-0.007 x 100 = -0.7%