-57.72% is the change from 946 to 400
Calculation steps:
[( 400 - 946 ) ÷ 946] x 100 = -57.72%
Formula
Percentage change = [(400 - 946) / 946] x 100
Subtract the new number by the original number
400 - 946 = -546
-546 ÷ 946 = -0.5771670190274841
-0.5771670190274841 x 100 = -57.72%