-89% is the change from 1000 to 110
Calculation steps:
[( 110 - 1000 ) ÷ 1000] x 100 = -89%
Formula
Percentage change = [(110 - 1000) / 1000] x 100
Subtract the new number by the original number
110 - 1000 = -890
-890 ÷ 1000 = -0.89
-0.89 x 100 = -89%