-54.19% is the change from 406 to 186
Calculation steps:
[( 186 - 406 ) ÷ 406] x 100 = -54.19%
Formula
Percentage change = [(186 - 406) / 406] x 100
Subtract the new number by the original number
186 - 406 = -220
-220 ÷ 406 = -0.541871921182266
-0.541871921182266 x 100 = -54.19%