-57.07% is the change from 934 to 401
Calculation steps:
[( 401 - 934 ) ÷ 934] x 100 = -57.07%
Formula
Percentage change = [(401 - 934) / 934] x 100
Subtract the new number by the original number
401 - 934 = -533
-533 ÷ 934 = -0.5706638115631691
-0.5706638115631691 x 100 = -57.07%