-11.23% is the change from 668 to 593
Calculation steps:
[( 593 - 668 ) ÷ 668] x 100 = -11.23%
Formula
Percentage change = [(593 - 668) / 668] x 100
Subtract the new number by the original number
593 - 668 = -75
-75 ÷ 668 = -0.1122754491017964
-0.1122754491017964 x 100 = -11.23%