-10.53% is the change from 665 to 595
Calculation steps:
[( 595 - 665 ) ÷ 665] x 100 = -10.53%
Formula
Percentage change = [(595 - 665) / 665] x 100
Subtract the new number by the original number
595 - 665 = -70
-70 ÷ 665 = -0.10526315789473684
-0.10526315789473684 x 100 = -10.53%