-72.44% is the change from 450 to 124
Calculation steps:
[( 124 - 450 ) ÷ 450] x 100 = -72.44%
Formula
Percentage change = [(124 - 450) / 450] x 100
Subtract the new number by the original number
124 - 450 = -326
-326 ÷ 450 = -0.7244444444444444
-0.7244444444444444 x 100 = -72.44%