-90% is the change from 440 to 44
Calculation steps:
[( 44 - 440 ) ÷ 440] x 100 = -90%
Formula
Percentage change = [(44 - 440) / 440] x 100
Subtract the new number by the original number
44 - 440 = -396
-396 ÷ 440 = -0.9
-0.9 x 100 = -90%
Example