-7% is the change from 1000 to 930
Calculation steps:
[( 930 - 1000 ) ÷ 1000] x 100 = -7%
Formula
Percentage change = [(930 - 1000) / 1000] x 100
Subtract the new number by the original number
930 - 1000 = -70
-70 ÷ 1000 = -0.07
-0.07 x 100 = -7%
Example