-86.18% is the change from 456 to 63
Calculation steps:
[( 63 - 456 ) ÷ 456] x 100 = -86.18%
Formula
Percentage change = [(63 - 456) / 456] x 100
Subtract the new number by the original number
63 - 456 = -393
-393 ÷ 456 = -0.8618421052631579
-0.8618421052631579 x 100 = -86.18%