-6.8% is the change from 456 to 425
Calculation steps:
[( 425 - 456 ) ÷ 456] x 100 = -6.8%
Formula
Percentage change = [(425 - 456) / 456] x 100
Subtract the new number by the original number
425 - 456 = -31
-31 ÷ 456 = -0.06798245614035088
-0.06798245614035088 x 100 = -6.8%