-38.3% is the change from 940 to 580
Calculation steps:
[( 580 - 940 ) ÷ 940] x 100 = -38.3%
Formula
Percentage change = [(580 - 940) / 940] x 100
Subtract the new number by the original number
580 - 940 = -360
-360 ÷ 940 = -0.3829787234042553
-0.3829787234042553 x 100 = -38.3%