-36.37% is the change from 921 to 586
Calculation steps:
[( 586 - 921 ) ÷ 921] x 100 = -36.37%
Formula
Percentage change = [(586 - 921) / 921] x 100
Subtract the new number by the original number
586 - 921 = -335
-335 ÷ 921 = -0.36373507057546145
-0.36373507057546145 x 100 = -36.37%