-14.67% is the change from 593 to 506
Calculation steps:
[( 506 - 593 ) ÷ 593] x 100 = -14.67%
Formula
Percentage change = [(506 - 593) / 593] x 100
Subtract the new number by the original number
506 - 593 = -87
-87 ÷ 593 = -0.1467116357504216
-0.1467116357504216 x 100 = -14.67%