-31.53% is the change from 593 to 406
Calculation steps:
[( 406 - 593 ) ÷ 593] x 100 = -31.53%
Formula
Percentage change = [(406 - 593) / 593] x 100
Subtract the new number by the original number
406 - 593 = -187
-187 ÷ 593 = -0.31534569983136596
-0.31534569983136596 x 100 = -31.53%