-12.31% is the change from 593 to 520
Calculation steps:
[( 520 - 593 ) ÷ 593] x 100 = -12.31%
Formula
Percentage change = [(520 - 593) / 593] x 100
Subtract the new number by the original number
520 - 593 = -73
-73 ÷ 593 = -0.12310286677908938
-0.12310286677908938 x 100 = -12.31%