-27.89% is the change from 821 to 592
Calculation steps:
[( 592 - 821 ) ÷ 821] x 100 = -27.89%
Formula
Percentage change = [(592 - 821) / 821] x 100
Subtract the new number by the original number
592 - 821 = -229
-229 ÷ 821 = -0.2789281364190012
-0.2789281364190012 x 100 = -27.89%