-10.96% is the change from 666 to 593
Calculation steps:
[( 593 - 666 ) ÷ 666] x 100 = -10.96%
Formula
Percentage change = [(593 - 666) / 666] x 100
Subtract the new number by the original number
593 - 666 = -73
-73 ÷ 666 = -0.10960960960960961
-0.10960960960960961 x 100 = -10.96%