-19.06% is the change from 556 to 450
Calculation steps:
[( 450 - 556 ) ÷ 556] x 100 = -19.06%
Formula
Percentage change = [(450 - 556) / 556] x 100
Subtract the new number by the original number
450 - 556 = -106
-106 ÷ 556 = -0.1906474820143885
-0.1906474820143885 x 100 = -19.06%