-52.74% is the change from 931 to 440
Calculation steps:
[( 440 - 931 ) ÷ 931] x 100 = -52.74%
Formula
Percentage change = [(440 - 931) / 931] x 100
Subtract the new number by the original number
440 - 931 = -491
-491 ÷ 931 = -0.527389903329753
-0.527389903329753 x 100 = -52.74%