-52.99% is the change from 921 to 433
Calculation steps:
[( 433 - 921 ) ÷ 921] x 100 = -52.99%
Formula
Percentage change = [(433 - 921) / 921] x 100
Subtract the new number by the original number
433 - 921 = -488
-488 ÷ 921 = -0.5298588490770901
-0.5298588490770901 x 100 = -52.99%