-28.67% is the change from 593 to 423
Calculation steps:
[( 423 - 593 ) ÷ 593] x 100 = -28.67%
Formula
Percentage change = [(423 - 593) / 593] x 100
Subtract the new number by the original number
423 - 593 = -170
-170 ÷ 593 = -0.2866779089376054
-0.2866779089376054 x 100 = -28.67%