-44.68% is the change from 940 to 520
Calculation steps:
[( 520 - 940 ) ÷ 940] x 100 = -44.68%
Formula
Percentage change = [(520 - 940) / 940] x 100
Subtract the new number by the original number
520 - 940 = -420
-420 ÷ 940 = -0.44680851063829785
-0.44680851063829785 x 100 = -44.68%