-71.67% is the change from 406 to 115
Calculation steps:
[( 115 - 406 ) ÷ 406] x 100 = -71.67%
Formula
Percentage change = [(115 - 406) / 406] x 100
Subtract the new number by the original number
115 - 406 = -291
-291 ÷ 406 = -0.7167487684729064
-0.7167487684729064 x 100 = -71.67%