-25.12% is the change from 406 to 304
Calculation steps:
[( 304 - 406 ) ÷ 406] x 100 = -25.12%
Formula
Percentage change = [(304 - 406) / 406] x 100
Subtract the new number by the original number
304 - 406 = -102
-102 ÷ 406 = -0.2512315270935961
-0.2512315270935961 x 100 = -25.12%