-2.19% is the change from 456 to 446
Calculation steps:
[( 446 - 456 ) ÷ 456] x 100 = -2.19%
Formula
Percentage change = [(446 - 456) / 456] x 100
Subtract the new number by the original number
446 - 456 = -10
-10 ÷ 456 = -0.021929824561403508
-0.021929824561403508 x 100 = -2.19%