-56.81% is the change from 940 to 406
Calculation steps:
[( 406 - 940 ) ÷ 940] x 100 = -56.81%
Formula
Percentage change = [(406 - 940) / 940] x 100
Subtract the new number by the original number
406 - 940 = -534
-534 ÷ 940 = -0.5680851063829787
-0.5680851063829787 x 100 = -56.81%