-98.3% is the change from 1000 to 17
Calculation steps:
[( 17 - 1000 ) ÷ 1000] x 100 = -98.3%
Formula
Percentage change = [(17 - 1000) / 1000] x 100
Subtract the new number by the original number
17 - 1000 = -983
-983 ÷ 1000 = -0.983
-0.983 x 100 = -98.3%