-6.58% is the change from 456 to 426
Calculation steps:
[( 426 - 456 ) ÷ 456] x 100 = -6.58%
Formula
Percentage change = [(426 - 456) / 456] x 100
Subtract the new number by the original number
426 - 456 = -30
-30 ÷ 456 = -0.06578947368421052
-0.06578947368421052 x 100 = -6.58%