-14.5% is the change from 593 to 507
Calculation steps:
[( 507 - 593 ) ÷ 593] x 100 = -14.5%
Formula
Percentage change = [(507 - 593) / 593] x 100
Subtract the new number by the original number
507 - 593 = -86
-86 ÷ 593 = -0.14502529510961215
-0.14502529510961215 x 100 = -14.5%