-81.59% is the change from 440 to 81
Calculation steps:
[( 81 - 440 ) ÷ 440] x 100 = -81.59%
Formula
Percentage change = [(81 - 440) / 440] x 100
Subtract the new number by the original number
81 - 440 = -359
-359 ÷ 440 = -0.8159090909090909
-0.8159090909090909 x 100 = -81.59%