-17.88% is the change from 593 to 487
Calculation steps:
[( 487 - 593 ) ÷ 593] x 100 = -17.88%
Formula
Percentage change = [(487 - 593) / 593] x 100
Subtract the new number by the original number
487 - 593 = -106
-106 ÷ 593 = -0.178752107925801
-0.178752107925801 x 100 = -17.88%