-51.3% is the change from 922 to 449
Calculation steps:
[( 449 - 922 ) ÷ 922] x 100 = -51.3%
Formula
Percentage change = [(449 - 922) / 922] x 100
Subtract the new number by the original number
449 - 922 = -473
-473 ÷ 922 = -0.5130151843817787
-0.5130151843817787 x 100 = -51.3%