-43.59% is the change from 780 to 440
Calculation steps:
[( 440 - 780 ) ÷ 780] x 100 = -43.59%
Formula
Percentage change = [(440 - 780) / 780] x 100
Subtract the new number by the original number
440 - 780 = -340
-340 ÷ 780 = -0.4358974358974359
-0.4358974358974359 x 100 = -43.59%