-94.38% is the change from 409 to 23
Calculation steps:
[( 23 - 409 ) ÷ 409] x 100 = -94.38%
Formula
Percentage change = [(23 - 409) / 409] x 100
Subtract the new number by the original number
23 - 409 = -386
-386 ÷ 409 = -0.9437652811735942
-0.9437652811735942 x 100 = -94.38%