-6.72% is the change from 595 to 555
Calculation steps:
[( 555 - 595 ) ÷ 595] x 100 = -6.72%
Formula
Percentage change = [(555 - 595) / 595] x 100
Subtract the new number by the original number
555 - 595 = -40
-40 ÷ 595 = -0.06722689075630252
-0.06722689075630252 x 100 = -6.72%