-8.55% is the change from 456 to 417
Calculation steps:
[( 417 - 456 ) ÷ 456] x 100 = -8.55%
Formula
Percentage change = [(417 - 456) / 456] x 100
Subtract the new number by the original number
417 - 456 = -39
-39 ÷ 456 = -0.08552631578947369
-0.08552631578947369 x 100 = -8.55%