-93.18% is the change from 440 to 30
Calculation steps:
[( 30 - 440 ) ÷ 440] x 100 = -93.18%
Formula
Percentage change = [(30 - 440) / 440] x 100
Subtract the new number by the original number
30 - 440 = -410
-410 ÷ 440 = -0.9318181818181818
-0.9318181818181818 x 100 = -93.18%