-57.29% is the change from 939 to 401
Calculation steps:
[( 401 - 939 ) ÷ 939] x 100 = -57.29%
Formula
Percentage change = [(401 - 939) / 939] x 100
Subtract the new number by the original number
401 - 939 = -538
-538 ÷ 939 = -0.5729499467518637
-0.5729499467518637 x 100 = -57.29%