-19.39% is the change from 593 to 478
Calculation steps:
[( 478 - 593 ) ÷ 593] x 100 = -19.39%
Formula
Percentage change = [(478 - 593) / 593] x 100
Subtract the new number by the original number
478 - 593 = -115
-115 ÷ 593 = -0.19392917369308602
-0.19392917369308602 x 100 = -19.39%