-92.54% is the change from 456 to 34
Calculation steps:
[( 34 - 456 ) ÷ 456] x 100 = -92.54%
Formula
Percentage change = [(34 - 456) / 456] x 100
Subtract the new number by the original number
34 - 456 = -422
-422 ÷ 456 = -0.9254385964912281
-0.9254385964912281 x 100 = -92.54%