-51.1% is the change from 912 to 446
Calculation steps:
[( 446 - 912 ) ÷ 912] x 100 = -51.1%
Formula
Percentage change = [(446 - 912) / 912] x 100
Subtract the new number by the original number
446 - 912 = -466
-466 ÷ 912 = -0.5109649122807017
-0.5109649122807017 x 100 = -51.1%