-11.84% is the change from 456 to 402
Calculation steps:
[( 402 - 456 ) ÷ 456] x 100 = -11.84%
Formula
Percentage change = [(402 - 456) / 456] x 100
Subtract the new number by the original number
402 - 456 = -54
-54 ÷ 456 = -0.11842105263157894
-0.11842105263157894 x 100 = -11.84%