-1.54% is the change from 456 to 449
Calculation steps:
[( 449 - 456 ) ÷ 456] x 100 = -1.54%
Formula
Percentage change = [(449 - 456) / 456] x 100
Subtract the new number by the original number
449 - 456 = -7
-7 ÷ 456 = -0.015350877192982455
-0.015350877192982455 x 100 = -1.54%