-97.95% is the change from 440 to 9
Calculation steps:
[( 9 - 440 ) ÷ 440] x 100 = -97.95%
Formula
Percentage change = [(9 - 440) / 440] x 100
Subtract the new number by the original number
9 - 440 = -431
-431 ÷ 440 = -0.9795454545454545
-0.9795454545454545 x 100 = -97.95%