-6.59% is the change from 455 to 425
Calculation steps:
[( 425 - 455 ) ÷ 455] x 100 = -6.59%
Formula
Percentage change = [(425 - 455) / 455] x 100
Subtract the new number by the original number
425 - 455 = -30
-30 ÷ 455 = -0.06593406593406594
-0.06593406593406594 x 100 = -6.59%