-96.27% is the change from 456 to 17
Calculation steps:
[( 17 - 456 ) ÷ 456] x 100 = -96.27%
Formula
Percentage change = [(17 - 456) / 456] x 100
Subtract the new number by the original number
17 - 456 = -439
-439 ÷ 456 = -0.9627192982456141
-0.9627192982456141 x 100 = -96.27%