-28.33% is the change from 406 to 291
Calculation steps:
[( 291 - 406 ) ÷ 406] x 100 = -28.33%
Formula
Percentage change = [(291 - 406) / 406] x 100
Subtract the new number by the original number
291 - 406 = -115
-115 ÷ 406 = -0.2832512315270936
-0.2832512315270936 x 100 = -28.33%