-51.9% is the change from 921 to 443
Calculation steps:
[( 443 - 921 ) ÷ 921] x 100 = -51.9%
Formula
Percentage change = [(443 - 921) / 921] x 100
Subtract the new number by the original number
443 - 921 = -478
-478 ÷ 921 = -0.5190010857763301
-0.5190010857763301 x 100 = -51.9%