-99.77% is the change from 440 to 1
Calculation steps:
[( 1 - 440 ) ÷ 440] x 100 = -99.77%
Formula
Percentage change = [(1 - 440) / 440] x 100
Subtract the new number by the original number
1 - 440 = -439
-439 ÷ 440 = -0.9977272727272727
-0.9977272727272727 x 100 = -99.77%