-51.3% is the change from 924 to 450
Calculation steps:
[( 450 - 924 ) ÷ 924] x 100 = -51.3%
Formula
Percentage change = [(450 - 924) / 924] x 100
Subtract the new number by the original number
450 - 924 = -474
-474 ÷ 924 = -0.512987012987013
-0.512987012987013 x 100 = -51.3%