-45.6% is the change from 1000 to 544
Calculation steps:
[( 544 - 1000 ) ÷ 1000] x 100 = -45.6%
Formula
Percentage change = [(544 - 1000) / 1000] x 100
Subtract the new number by the original number
544 - 1000 = -456
-456 ÷ 1000 = -0.456
-0.456 x 100 = -45.6%