-36.48% is the change from 921 to 585
Calculation steps:
[( 585 - 921 ) ÷ 921] x 100 = -36.48%
Formula
Percentage change = [(585 - 921) / 921] x 100
Subtract the new number by the original number
585 - 921 = -336
-336 ÷ 921 = -0.36482084690553745
-0.36482084690553745 x 100 = -36.48%