-6.78% is the change from 457 to 426
Calculation steps:
[( 426 - 457 ) ÷ 457] x 100 = -6.78%
Formula
Percentage change = [(426 - 457) / 457] x 100
Subtract the new number by the original number
426 - 457 = -31
-31 ÷ 457 = -0.06783369803063458
-0.06783369803063458 x 100 = -6.78%