-27.53% is the change from 821 to 595
Calculation steps:
[( 595 - 821 ) ÷ 821] x 100 = -27.53%
Formula
Percentage change = [(595 - 821) / 821] x 100
Subtract the new number by the original number
595 - 821 = -226
-226 ÷ 821 = -0.27527405602923266
-0.27527405602923266 x 100 = -27.53%